Home / 4,146.20-5,721.90-2,377.88

Finding the Fourth Proportional to 4,146.20, 5,721.90 and 2,377.88

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Solution

The fourth proportional to 4,146.20, 5,721.90 and 2,377.88 is: 3,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.20 : 5,721.90 = 2,377.88 : x
  2. Step 2: Convert to fraction form
    4,146.20/5,721.90 = 2,377.88/x
  3. Step 3: Cross multiply
    4,146.20x = 5,721.90 × 2,377.88
  4. Step 4: Simplify right side
    4,146.20x = 13,605,991.57
  5. Step 5: Solve for x
    x = 13,605,991.57/4,146.20
  6. Step 6: Final answer
    x = 3,281.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.