Home / 2,542.75-3,813.55-1,292.08

Finding the Fourth Proportional to 2,542.75, 3,813.55 and 1,292.08

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Solution

The fourth proportional to 2,542.75, 3,813.55 and 1,292.08 is: 1,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.75 : 3,813.55 = 1,292.08 : x
  2. Step 2: Convert to fraction form
    2,542.75/3,813.55 = 1,292.08/x
  3. Step 3: Cross multiply
    2,542.75x = 3,813.55 × 1,292.08
  4. Step 4: Simplify right side
    2,542.75x = 4,927,411.68
  5. Step 5: Solve for x
    x = 4,927,411.68/2,542.75
  6. Step 6: Final answer
    x = 1,937.83

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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.