Home / 1,672.02-2,508.26-697.89

Finding the Fourth Proportional to 1,672.02, 2,508.26 and 697.89

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Solution

The fourth proportional to 1,672.02, 2,508.26 and 697.89 is: 1,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.02 : 2,508.26 = 697.89 : x
  2. Step 2: Convert to fraction form
    1,672.02/2,508.26 = 697.89/x
  3. Step 3: Cross multiply
    1,672.02x = 2,508.26 × 697.89
  4. Step 4: Simplify right side
    1,672.02x = 1,750,489.57
  5. Step 5: Solve for x
    x = 1,750,489.57/1,672.02
  6. Step 6: Final answer
    x = 1,046.93

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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.