Home / 3,841.89-5,761.14-1,376.65

Finding the Fourth Proportional to 3,841.89, 5,761.14 and 1,376.65

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Solution

The fourth proportional to 3,841.89, 5,761.14 and 1,376.65 is: 2,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.89 : 5,761.14 = 1,376.65 : x
  2. Step 2: Convert to fraction form
    3,841.89/5,761.14 = 1,376.65/x
  3. Step 3: Cross multiply
    3,841.89x = 5,761.14 × 1,376.65
  4. Step 4: Simplify right side
    3,841.89x = 7,931,073.38
  5. Step 5: Solve for x
    x = 7,931,073.38/3,841.89
  6. Step 6: Final answer
    x = 2,064.37

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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.