Home / 2,188.09-3,015.03-2,028.70

Finding the Fourth Proportional to 2,188.09, 3,015.03 and 2,028.70

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Solution

The fourth proportional to 2,188.09, 3,015.03 and 2,028.70 is: 2,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.09 : 3,015.03 = 2,028.70 : x
  2. Step 2: Convert to fraction form
    2,188.09/3,015.03 = 2,028.70/x
  3. Step 3: Cross multiply
    2,188.09x = 3,015.03 × 2,028.70
  4. Step 4: Simplify right side
    2,188.09x = 6,116,591.36
  5. Step 5: Solve for x
    x = 6,116,591.36/2,188.09
  6. Step 6: Final answer
    x = 2,795.40

Related Problems

Find fourth proportional to 1,094.05, 1,507.52 and 1,014.35
Half scale
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Double scale
Find fourth proportional to 2,189.09, 3,016.41 and 2,029.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.