Home / 1,366.11-2,049.47-500.40

Finding the Fourth Proportional to 1,366.11, 2,049.47 and 500.40

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Solution

The fourth proportional to 1,366.11, 2,049.47 and 500.40 is: 750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.11 : 2,049.47 = 500.40 : x
  2. Step 2: Convert to fraction form
    1,366.11/2,049.47 = 500.40/x
  3. Step 3: Cross multiply
    1,366.11x = 2,049.47 × 500.40
  4. Step 4: Simplify right side
    1,366.11x = 1,025,554.79
  5. Step 5: Solve for x
    x = 1,025,554.79/1,366.11
  6. Step 6: Final answer
    x = 750.71

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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.