Home / 3,701.70-5,109.75-2,375.46

Finding the Fourth Proportional to 3,701.70, 5,109.75 and 2,375.46

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Solution

The fourth proportional to 3,701.70, 5,109.75 and 2,375.46 is: 3,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.70 : 5,109.75 = 2,375.46 : x
  2. Step 2: Convert to fraction form
    3,701.70/5,109.75 = 2,375.46/x
  3. Step 3: Cross multiply
    3,701.70x = 5,109.75 × 2,375.46
  4. Step 4: Simplify right side
    3,701.70x = 12,138,006.74
  5. Step 5: Solve for x
    x = 12,138,006.74/3,701.70
  6. Step 6: Final answer
    x = 3,279.04

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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.