Home / 1,577.20-2,377.62-1,471.48

Finding the Fourth Proportional to 1,577.20, 2,377.62 and 1,471.48

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Solution

The fourth proportional to 1,577.20, 2,377.62 and 1,471.48 is: 2,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.20 : 2,377.62 = 1,471.48 : x
  2. Step 2: Convert to fraction form
    1,577.20/2,377.62 = 1,471.48/x
  3. Step 3: Cross multiply
    1,577.20x = 2,377.62 × 1,471.48
  4. Step 4: Simplify right side
    1,577.20x = 3,498,620.28
  5. Step 5: Solve for x
    x = 3,498,620.28/1,577.20
  6. Step 6: Final answer
    x = 2,218.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.