Home / 3,742.13-5,613.35-1,276.97

Finding the Fourth Proportional to 3,742.13, 5,613.35 and 1,276.97

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Solution

The fourth proportional to 3,742.13, 5,613.35 and 1,276.97 is: 1,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.13 : 5,613.35 = 1,276.97 : x
  2. Step 2: Convert to fraction form
    3,742.13/5,613.35 = 1,276.97/x
  3. Step 3: Cross multiply
    3,742.13x = 5,613.35 × 1,276.97
  4. Step 4: Simplify right side
    3,742.13x = 7,168,045.10
  5. Step 5: Solve for x
    x = 7,168,045.10/3,742.13
  6. Step 6: Final answer
    x = 1,915.50

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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.