Home / 2,009.11-3,014.81-1,188.98

Finding the Fourth Proportional to 2,009.11, 3,014.81 and 1,188.98

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Solution

The fourth proportional to 2,009.11, 3,014.81 and 1,188.98 is: 1,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.11 : 3,014.81 = 1,188.98 : x
  2. Step 2: Convert to fraction form
    2,009.11/3,014.81 = 1,188.98/x
  3. Step 3: Cross multiply
    2,009.11x = 3,014.81 × 1,188.98
  4. Step 4: Simplify right side
    2,009.11x = 3,584,554.84
  5. Step 5: Solve for x
    x = 3,584,554.84/2,009.11
  6. Step 6: Final answer
    x = 1,784.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.