Home / 2,562.60-3,534.18-2,002.20

Finding the Fourth Proportional to 2,562.60, 3,534.18 and 2,002.20

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Solution

The fourth proportional to 2,562.60, 3,534.18 and 2,002.20 is: 2,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,562.60 : 3,534.18 = 2,002.20 : x
  2. Step 2: Convert to fraction form
    2,562.60/3,534.18 = 2,002.20/x
  3. Step 3: Cross multiply
    2,562.60x = 3,534.18 × 2,002.20
  4. Step 4: Simplify right side
    2,562.60x = 7,076,135.20
  5. Step 5: Solve for x
    x = 7,076,135.20/2,562.60
  6. Step 6: Final answer
    x = 2,761.31

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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.