Home / 2,932-4,399.08-1,545.28

Finding the Fourth Proportional to 2,932, 4,399.08 and 1,545.28

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Solution

The fourth proportional to 2,932, 4,399.08 and 1,545.28 is: 2,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932 : 4,399.08 = 1,545.28 : x
  2. Step 2: Convert to fraction form
    2,932/4,399.08 = 1,545.28/x
  3. Step 3: Cross multiply
    2,932x = 4,399.08 × 1,545.28
  4. Step 4: Simplify right side
    2,932x = 6,797,810.34
  5. Step 5: Solve for x
    x = 6,797,810.34/2,932
  6. Step 6: Final answer
    x = 2,318.49

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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.