Home / 3,132.13-4,322.48-1,734.88

Finding the Fourth Proportional to 3,132.13, 4,322.48 and 1,734.88

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Solution

The fourth proportional to 3,132.13, 4,322.48 and 1,734.88 is: 2,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.13 : 4,322.48 = 1,734.88 : x
  2. Step 2: Convert to fraction form
    3,132.13/4,322.48 = 1,734.88/x
  3. Step 3: Cross multiply
    3,132.13x = 4,322.48 × 1,734.88
  4. Step 4: Simplify right side
    3,132.13x = 7,498,984.10
  5. Step 5: Solve for x
    x = 7,498,984.10/3,132.13
  6. Step 6: Final answer
    x = 2,394.21

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1.5x scale

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.