Home / 4,168.28-5,752.56-2,490.20

Finding the Fourth Proportional to 4,168.28, 5,752.56 and 2,490.20

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Solution

The fourth proportional to 4,168.28, 5,752.56 and 2,490.20 is: 3,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.28 : 5,752.56 = 2,490.20 : x
  2. Step 2: Convert to fraction form
    4,168.28/5,752.56 = 2,490.20/x
  3. Step 3: Cross multiply
    4,168.28x = 5,752.56 × 2,490.20
  4. Step 4: Simplify right side
    4,168.28x = 14,325,024.91
  5. Step 5: Solve for x
    x = 14,325,024.91/4,168.28
  6. Step 6: Final answer
    x = 3,436.68

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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.