Home / 2,841.10-3,923.70-2,531.88

Finding the Fourth Proportional to 2,841.10, 3,923.70 and 2,531.88

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Solution

The fourth proportional to 2,841.10, 3,923.70 and 2,531.88 is: 3,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.10 : 3,923.70 = 2,531.88 : x
  2. Step 2: Convert to fraction form
    2,841.10/3,923.70 = 2,531.88/x
  3. Step 3: Cross multiply
    2,841.10x = 3,923.70 × 2,531.88
  4. Step 4: Simplify right side
    2,841.10x = 9,934,337.56
  5. Step 5: Solve for x
    x = 9,934,337.56/2,841.10
  6. Step 6: Final answer
    x = 3,496.65

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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.