Home / 3,815.31-5,292.08-3,714.15

Finding the Fourth Proportional to 3,815.31, 5,292.08 and 3,714.15

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Solution

The fourth proportional to 3,815.31, 5,292.08 and 3,714.15 is: 5,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.31 : 5,292.08 = 3,714.15 : x
  2. Step 2: Convert to fraction form
    3,815.31/5,292.08 = 3,714.15/x
  3. Step 3: Cross multiply
    3,815.31x = 5,292.08 × 3,714.15
  4. Step 4: Simplify right side
    3,815.31x = 19,655,560.36
  5. Step 5: Solve for x
    x = 19,655,560.36/3,815.31
  6. Step 6: Final answer
    x = 5,151.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.