Home / 3,126.20-4,690.06-1,046.42

Finding the Fourth Proportional to 3,126.20, 4,690.06 and 1,046.42

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Solution

The fourth proportional to 3,126.20, 4,690.06 and 1,046.42 is: 1,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.20 : 4,690.06 = 1,046.42 : x
  2. Step 2: Convert to fraction form
    3,126.20/4,690.06 = 1,046.42/x
  3. Step 3: Cross multiply
    3,126.20x = 4,690.06 × 1,046.42
  4. Step 4: Simplify right side
    3,126.20x = 4,907,772.59
  5. Step 5: Solve for x
    x = 4,907,772.59/3,126.20
  6. Step 6: Final answer
    x = 1,569.88

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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.