Home / 1,741.20-2,613.12-875.04

Finding the Fourth Proportional to 1,741.20, 2,613.12 and 875.04

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Solution

The fourth proportional to 1,741.20, 2,613.12 and 875.04 is: 1,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.20 : 2,613.12 = 875.04 : x
  2. Step 2: Convert to fraction form
    1,741.20/2,613.12 = 875.04/x
  3. Step 3: Cross multiply
    1,741.20x = 2,613.12 × 875.04
  4. Step 4: Simplify right side
    1,741.20x = 2,286,584.52
  5. Step 5: Solve for x
    x = 2,286,584.52/1,741.20
  6. Step 6: Final answer
    x = 1,313.22

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1.5x scale

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.