Home / 3,031.56-4,545.18-1,385.82

Finding the Fourth Proportional to 3,031.56, 4,545.18 and 1,385.82

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Solution

The fourth proportional to 3,031.56, 4,545.18 and 1,385.82 is: 2,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.56 : 4,545.18 = 1,385.82 : x
  2. Step 2: Convert to fraction form
    3,031.56/4,545.18 = 1,385.82/x
  3. Step 3: Cross multiply
    3,031.56x = 4,545.18 × 1,385.82
  4. Step 4: Simplify right side
    3,031.56x = 6,298,801.35
  5. Step 5: Solve for x
    x = 6,298,801.35/3,031.56
  6. Step 6: Final answer
    x = 2,077.74

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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.