Home / 3,463.26-4,781.59-2,138.91

Finding the Fourth Proportional to 3,463.26, 4,781.59 and 2,138.91

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Solution

The fourth proportional to 3,463.26, 4,781.59 and 2,138.91 is: 2,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.26 : 4,781.59 = 2,138.91 : x
  2. Step 2: Convert to fraction form
    3,463.26/4,781.59 = 2,138.91/x
  3. Step 3: Cross multiply
    3,463.26x = 4,781.59 × 2,138.91
  4. Step 4: Simplify right side
    3,463.26x = 10,227,390.67
  5. Step 5: Solve for x
    x = 10,227,390.67/3,463.26
  6. Step 6: Final answer
    x = 2,953.11

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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.