Home / 2,188.77-3,021.62-1,484.34

Finding the Fourth Proportional to 2,188.77, 3,021.62 and 1,484.34

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Solution

The fourth proportional to 2,188.77, 3,021.62 and 1,484.34 is: 2,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.77 : 3,021.62 = 1,484.34 : x
  2. Step 2: Convert to fraction form
    2,188.77/3,021.62 = 1,484.34/x
  3. Step 3: Cross multiply
    2,188.77x = 3,021.62 × 1,484.34
  4. Step 4: Simplify right side
    2,188.77x = 4,485,088.90
  5. Step 5: Solve for x
    x = 4,485,088.90/2,188.77
  6. Step 6: Final answer
    x = 2,049.14

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Half scale
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Double scale
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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.