Home / 1,731.12-2,597.92-1,398.36

Finding the Fourth Proportional to 1,731.12, 2,597.92 and 1,398.36

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Solution

The fourth proportional to 1,731.12, 2,597.92 and 1,398.36 is: 2,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.12 : 2,597.92 = 1,398.36 : x
  2. Step 2: Convert to fraction form
    1,731.12/2,597.92 = 1,398.36/x
  3. Step 3: Cross multiply
    1,731.12x = 2,597.92 × 1,398.36
  4. Step 4: Simplify right side
    1,731.12x = 3,632,827.41
  5. Step 5: Solve for x
    x = 3,632,827.41/1,731.12
  6. Step 6: Final answer
    x = 2,098.54

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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.