Home / 2,614.27-3,921.78-1,647.13

Finding the Fourth Proportional to 2,614.27, 3,921.78 and 1,647.13

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Solution

The fourth proportional to 2,614.27, 3,921.78 and 1,647.13 is: 2,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.27 : 3,921.78 = 1,647.13 : x
  2. Step 2: Convert to fraction form
    2,614.27/3,921.78 = 1,647.13/x
  3. Step 3: Cross multiply
    2,614.27x = 3,921.78 × 1,647.13
  4. Step 4: Simplify right side
    2,614.27x = 6,459,681.49
  5. Step 5: Solve for x
    x = 6,459,681.49/2,614.27
  6. Step 6: Final answer
    x = 2,470.93

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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.