Home / 3,746.38-5,167.08-3,188.68

Finding the Fourth Proportional to 3,746.38, 5,167.08 and 3,188.68

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Solution

The fourth proportional to 3,746.38, 5,167.08 and 3,188.68 is: 4,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.38 : 5,167.08 = 3,188.68 : x
  2. Step 2: Convert to fraction form
    3,746.38/5,167.08 = 3,188.68/x
  3. Step 3: Cross multiply
    3,746.38x = 5,167.08 × 3,188.68
  4. Step 4: Simplify right side
    3,746.38x = 16,476,164.65
  5. Step 5: Solve for x
    x = 16,476,164.65/3,746.38
  6. Step 6: Final answer
    x = 4,397.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.