Home / 2,517.80-3,475.22-1,470.20

Finding the Fourth Proportional to 2,517.80, 3,475.22 and 1,470.20

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Solution

The fourth proportional to 2,517.80, 3,475.22 and 1,470.20 is: 2,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.80 : 3,475.22 = 1,470.20 : x
  2. Step 2: Convert to fraction form
    2,517.80/3,475.22 = 1,470.20/x
  3. Step 3: Cross multiply
    2,517.80x = 3,475.22 × 1,470.20
  4. Step 4: Simplify right side
    2,517.80x = 5,109,268.44
  5. Step 5: Solve for x
    x = 5,109,268.44/2,517.80
  6. Step 6: Final answer
    x = 2,029.26

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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.