Home / 3,138.13-4,703.08-2,351.92

Finding the Fourth Proportional to 3,138.13, 4,703.08 and 2,351.92

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Solution

The fourth proportional to 3,138.13, 4,703.08 and 2,351.92 is: 3,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.13 : 4,703.08 = 2,351.92 : x
  2. Step 2: Convert to fraction form
    3,138.13/4,703.08 = 2,351.92/x
  3. Step 3: Cross multiply
    3,138.13x = 4,703.08 × 2,351.92
  4. Step 4: Simplify right side
    3,138.13x = 11,061,267.91
  5. Step 5: Solve for x
    x = 11,061,267.91/3,138.13
  6. Step 6: Final answer
    x = 3,524.80

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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.