Home / 3,916.39-5,876.67-1,726.66

Finding the Fourth Proportional to 3,916.39, 5,876.67 and 1,726.66

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Solution

The fourth proportional to 3,916.39, 5,876.67 and 1,726.66 is: 2,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.39 : 5,876.67 = 1,726.66 : x
  2. Step 2: Convert to fraction form
    3,916.39/5,876.67 = 1,726.66/x
  3. Step 3: Cross multiply
    3,916.39x = 5,876.67 × 1,726.66
  4. Step 4: Simplify right side
    3,916.39x = 10,147,011.02
  5. Step 5: Solve for x
    x = 10,147,011.02/3,916.39
  6. Step 6: Final answer
    x = 2,590.91

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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.