Home / 1,727.20-2,602.32-1,562.88

Finding the Fourth Proportional to 1,727.20, 2,602.32 and 1,562.88

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Solution

The fourth proportional to 1,727.20, 2,602.32 and 1,562.88 is: 2,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.20 : 2,602.32 = 1,562.88 : x
  2. Step 2: Convert to fraction form
    1,727.20/2,602.32 = 1,562.88/x
  3. Step 3: Cross multiply
    1,727.20x = 2,602.32 × 1,562.88
  4. Step 4: Simplify right side
    1,727.20x = 4,067,113.88
  5. Step 5: Solve for x
    x = 4,067,113.88/1,727.20
  6. Step 6: Final answer
    x = 2,354.74

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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.