Home / 3,418.70-5,115.90-2,373.80

Finding the Fourth Proportional to 3,418.70, 5,115.90 and 2,373.80

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Solution

The fourth proportional to 3,418.70, 5,115.90 and 2,373.80 is: 3,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.70 : 5,115.90 = 2,373.80 : x
  2. Step 2: Convert to fraction form
    3,418.70/5,115.90 = 2,373.80/x
  3. Step 3: Cross multiply
    3,418.70x = 5,115.90 × 2,373.80
  4. Step 4: Simplify right side
    3,418.70x = 12,144,123.42
  5. Step 5: Solve for x
    x = 12,144,123.42/3,418.70
  6. Step 6: Final answer
    x = 3,552.26

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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.