Home / 3,437.31-4,731.50-2,966.70

Finding the Fourth Proportional to 3,437.31, 4,731.50 and 2,966.70

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Solution

The fourth proportional to 3,437.31, 4,731.50 and 2,966.70 is: 4,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.31 : 4,731.50 = 2,966.70 : x
  2. Step 2: Convert to fraction form
    3,437.31/4,731.50 = 2,966.70/x
  3. Step 3: Cross multiply
    3,437.31x = 4,731.50 × 2,966.70
  4. Step 4: Simplify right side
    3,437.31x = 14,036,948.47
  5. Step 5: Solve for x
    x = 14,036,948.47/3,437.31
  6. Step 6: Final answer
    x = 4,083.70

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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.