Home / 3,248.82-4,871.61-1,057.28

Finding the Fourth Proportional to 3,248.82, 4,871.61 and 1,057.28

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Solution

The fourth proportional to 3,248.82, 4,871.61 and 1,057.28 is: 1,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.82 : 4,871.61 = 1,057.28 : x
  2. Step 2: Convert to fraction form
    3,248.82/4,871.61 = 1,057.28/x
  3. Step 3: Cross multiply
    3,248.82x = 4,871.61 × 1,057.28
  4. Step 4: Simplify right side
    3,248.82x = 5,150,631.46
  5. Step 5: Solve for x
    x = 5,150,631.46/3,248.82
  6. Step 6: Final answer
    x = 1,585.39

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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.