Home / 1,672.29-2,493.68-1,442.66

Finding the Fourth Proportional to 1,672.29, 2,493.68 and 1,442.66

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Solution

The fourth proportional to 1,672.29, 2,493.68 and 1,442.66 is: 2,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.29 : 2,493.68 = 1,442.66 : x
  2. Step 2: Convert to fraction form
    1,672.29/2,493.68 = 1,442.66/x
  3. Step 3: Cross multiply
    1,672.29x = 2,493.68 × 1,442.66
  4. Step 4: Simplify right side
    1,672.29x = 3,597,512.71
  5. Step 5: Solve for x
    x = 3,597,512.71/1,672.29
  6. Step 6: Final answer
    x = 2,151.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.