Home / 3,742.19-5,613.27-1,890.75

Finding the Fourth Proportional to 3,742.19, 5,613.27 and 1,890.75

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Solution

The fourth proportional to 3,742.19, 5,613.27 and 1,890.75 is: 2,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.19 : 5,613.27 = 1,890.75 : x
  2. Step 2: Convert to fraction form
    3,742.19/5,613.27 = 1,890.75/x
  3. Step 3: Cross multiply
    3,742.19x = 5,613.27 × 1,890.75
  4. Step 4: Simplify right side
    3,742.19x = 10,613,290.25
  5. Step 5: Solve for x
    x = 10,613,290.25/3,742.19
  6. Step 6: Final answer
    x = 2,836.12

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Similar ratio
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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.