Home / 2,869.13-3,960.24-1,874.57

Finding the Fourth Proportional to 2,869.13, 3,960.24 and 1,874.57

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Solution

The fourth proportional to 2,869.13, 3,960.24 and 1,874.57 is: 2,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.13 : 3,960.24 = 1,874.57 : x
  2. Step 2: Convert to fraction form
    2,869.13/3,960.24 = 1,874.57/x
  3. Step 3: Cross multiply
    2,869.13x = 3,960.24 × 1,874.57
  4. Step 4: Simplify right side
    2,869.13x = 7,423,764.03
  5. Step 5: Solve for x
    x = 7,423,764.03/2,869.13
  6. Step 6: Final answer
    x = 2,587.46

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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.