Home / 2,761.39-4,122.80-2,344.65

Finding the Fourth Proportional to 2,761.39, 4,122.80 and 2,344.65

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Solution

The fourth proportional to 2,761.39, 4,122.80 and 2,344.65 is: 3,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.39 : 4,122.80 = 2,344.65 : x
  2. Step 2: Convert to fraction form
    2,761.39/4,122.80 = 2,344.65/x
  3. Step 3: Cross multiply
    2,761.39x = 4,122.80 × 2,344.65
  4. Step 4: Simplify right side
    2,761.39x = 9,666,504.63
  5. Step 5: Solve for x
    x = 9,666,504.63/2,761.39
  6. Step 6: Final answer
    x = 3,500.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.