Home / 3,743.49-5,615.25-1,146.42

Finding the Fourth Proportional to 3,743.49, 5,615.25 and 1,146.42

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Solution

The fourth proportional to 3,743.49, 5,615.25 and 1,146.42 is: 1,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.49 : 5,615.25 = 1,146.42 : x
  2. Step 2: Convert to fraction form
    3,743.49/5,615.25 = 1,146.42/x
  3. Step 3: Cross multiply
    3,743.49x = 5,615.25 × 1,146.42
  4. Step 4: Simplify right side
    3,743.49x = 6,437,434.91
  5. Step 5: Solve for x
    x = 6,437,434.91/3,743.49
  6. Step 6: Final answer
    x = 1,719.63

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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.