Home / 3,031.80-4,546.24-1,057.38

Finding the Fourth Proportional to 3,031.80, 4,546.24 and 1,057.38

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Solution

The fourth proportional to 3,031.80, 4,546.24 and 1,057.38 is: 1,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.80 : 4,546.24 = 1,057.38 : x
  2. Step 2: Convert to fraction form
    3,031.80/4,546.24 = 1,057.38/x
  3. Step 3: Cross multiply
    3,031.80x = 4,546.24 × 1,057.38
  4. Step 4: Simplify right side
    3,031.80x = 4,807,103.25
  5. Step 5: Solve for x
    x = 4,807,103.25/3,031.80
  6. Step 6: Final answer
    x = 1,585.56

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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.