Home / 3,743.88-5,609.61-1,660.74

Finding the Fourth Proportional to 3,743.88, 5,609.61 and 1,660.74

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Solution

The fourth proportional to 3,743.88, 5,609.61 and 1,660.74 is: 2,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.88 : 5,609.61 = 1,660.74 : x
  2. Step 2: Convert to fraction form
    3,743.88/5,609.61 = 1,660.74/x
  3. Step 3: Cross multiply
    3,743.88x = 5,609.61 × 1,660.74
  4. Step 4: Simplify right side
    3,743.88x = 9,316,103.71
  5. Step 5: Solve for x
    x = 9,316,103.71/3,743.88
  6. Step 6: Final answer
    x = 2,488.36

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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.