Home / 1,342.32-1,996.14-1,327.92

Finding the Fourth Proportional to 1,342.32, 1,996.14 and 1,327.92

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Solution

The fourth proportional to 1,342.32, 1,996.14 and 1,327.92 is: 1,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.32 : 1,996.14 = 1,327.92 : x
  2. Step 2: Convert to fraction form
    1,342.32/1,996.14 = 1,327.92/x
  3. Step 3: Cross multiply
    1,342.32x = 1,996.14 × 1,327.92
  4. Step 4: Simplify right side
    1,342.32x = 2,650,714.23
  5. Step 5: Solve for x
    x = 2,650,714.23/1,342.32
  6. Step 6: Final answer
    x = 1,974.73

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1.5x scale

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.