Home / 3,042.20-4,559.52-1,397

Finding the Fourth Proportional to 3,042.20, 4,559.52 and 1,397

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Solution

The fourth proportional to 3,042.20, 4,559.52 and 1,397 is: 2,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.20 : 4,559.52 = 1,397 : x
  2. Step 2: Convert to fraction form
    3,042.20/4,559.52 = 1,397/x
  3. Step 3: Cross multiply
    3,042.20x = 4,559.52 × 1,397
  4. Step 4: Simplify right side
    3,042.20x = 6,369,649.44
  5. Step 5: Solve for x
    x = 6,369,649.44/3,042.20
  6. Step 6: Final answer
    x = 2,093.76

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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.