Home / 3,445.52-5,165.15-1,252.70

Finding the Fourth Proportional to 3,445.52, 5,165.15 and 1,252.70

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Solution

The fourth proportional to 3,445.52, 5,165.15 and 1,252.70 is: 1,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.52 : 5,165.15 = 1,252.70 : x
  2. Step 2: Convert to fraction form
    3,445.52/5,165.15 = 1,252.70/x
  3. Step 3: Cross multiply
    3,445.52x = 5,165.15 × 1,252.70
  4. Step 4: Simplify right side
    3,445.52x = 6,470,377.14
  5. Step 5: Solve for x
    x = 6,470,377.14/3,445.52
  6. Step 6: Final answer
    x = 1,877.91

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1.5x scale

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.