Home / 3,614.56-5,426.15-2,154.40

Finding the Fourth Proportional to 3,614.56, 5,426.15 and 2,154.40

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Solution

The fourth proportional to 3,614.56, 5,426.15 and 2,154.40 is: 3,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.56 : 5,426.15 = 2,154.40 : x
  2. Step 2: Convert to fraction form
    3,614.56/5,426.15 = 2,154.40/x
  3. Step 3: Cross multiply
    3,614.56x = 5,426.15 × 2,154.40
  4. Step 4: Simplify right side
    3,614.56x = 11,690,097.56
  5. Step 5: Solve for x
    x = 11,690,097.56/3,614.56
  6. Step 6: Final answer
    x = 3,234.17

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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.