Home / 3,252.78-4,487.67-1,854.72

Finding the Fourth Proportional to 3,252.78, 4,487.67 and 1,854.72

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Solution

The fourth proportional to 3,252.78, 4,487.67 and 1,854.72 is: 2,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.78 : 4,487.67 = 1,854.72 : x
  2. Step 2: Convert to fraction form
    3,252.78/4,487.67 = 1,854.72/x
  3. Step 3: Cross multiply
    3,252.78x = 4,487.67 × 1,854.72
  4. Step 4: Simplify right side
    3,252.78x = 8,323,371.30
  5. Step 5: Solve for x
    x = 8,323,371.30/3,252.78
  6. Step 6: Final answer
    x = 2,558.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.