Home / 2,753.60-4,130.40-2,475.20

Finding the Fourth Proportional to 2,753.60, 4,130.40 and 2,475.20

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Solution

The fourth proportional to 2,753.60, 4,130.40 and 2,475.20 is: 3,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.60 : 4,130.40 = 2,475.20 : x
  2. Step 2: Convert to fraction form
    2,753.60/4,130.40 = 2,475.20/x
  3. Step 3: Cross multiply
    2,753.60x = 4,130.40 × 2,475.20
  4. Step 4: Simplify right side
    2,753.60x = 10,223,566.08
  5. Step 5: Solve for x
    x = 10,223,566.08/2,753.60
  6. Step 6: Final answer
    x = 3,712.80

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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.