Home / 3,132.15-4,322.36-1,734.90

Finding the Fourth Proportional to 3,132.15, 4,322.36 and 1,734.90

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Solution

The fourth proportional to 3,132.15, 4,322.36 and 1,734.90 is: 2,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.15 : 4,322.36 = 1,734.90 : x
  2. Step 2: Convert to fraction form
    3,132.15/4,322.36 = 1,734.90/x
  3. Step 3: Cross multiply
    3,132.15x = 4,322.36 × 1,734.90
  4. Step 4: Simplify right side
    3,132.15x = 7,498,853.69
  5. Step 5: Solve for x
    x = 7,498,853.69/3,132.15
  6. Step 6: Final answer
    x = 2,394.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.