Home / 3,453.76-4,761.18-2,389.91

Finding the Fourth Proportional to 3,453.76, 4,761.18 and 2,389.91

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Solution

The fourth proportional to 3,453.76, 4,761.18 and 2,389.91 is: 3,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.76 : 4,761.18 = 2,389.91 : x
  2. Step 2: Convert to fraction form
    3,453.76/4,761.18 = 2,389.91/x
  3. Step 3: Cross multiply
    3,453.76x = 4,761.18 × 2,389.91
  4. Step 4: Simplify right side
    3,453.76x = 11,378,758.93
  5. Step 5: Solve for x
    x = 11,378,758.93/3,453.76
  6. Step 6: Final answer
    x = 3,294.60

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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.