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Finding the Fourth Proportional to 2,572.84, 3,854.94 and 1,601.32

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Solution

The fourth proportional to 2,572.84, 3,854.94 and 1,601.32 is: 2,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.84 : 3,854.94 = 1,601.32 : x
  2. Step 2: Convert to fraction form
    2,572.84/3,854.94 = 1,601.32/x
  3. Step 3: Cross multiply
    2,572.84x = 3,854.94 × 1,601.32
  4. Step 4: Simplify right side
    2,572.84x = 6,172,992.52
  5. Step 5: Solve for x
    x = 6,172,992.52/2,572.84
  6. Step 6: Final answer
    x = 2,399.29

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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.