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Finding the Fourth Proportional to 3,903.78, 5,854.47 and 2,569.52

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Solution

The fourth proportional to 3,903.78, 5,854.47 and 2,569.52 is: 3,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.78 : 5,854.47 = 2,569.52 : x
  2. Step 2: Convert to fraction form
    3,903.78/5,854.47 = 2,569.52/x
  3. Step 3: Cross multiply
    3,903.78x = 5,854.47 × 2,569.52
  4. Step 4: Simplify right side
    3,903.78x = 15,043,148.48
  5. Step 5: Solve for x
    x = 15,043,148.48/3,903.78
  6. Step 6: Final answer
    x = 3,853.48

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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.