Home / 2,087.49-3,115.94-1,841.43

Finding the Fourth Proportional to 2,087.49, 3,115.94 and 1,841.43

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Solution

The fourth proportional to 2,087.49, 3,115.94 and 1,841.43 is: 2,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.49 : 3,115.94 = 1,841.43 : x
  2. Step 2: Convert to fraction form
    2,087.49/3,115.94 = 1,841.43/x
  3. Step 3: Cross multiply
    2,087.49x = 3,115.94 × 1,841.43
  4. Step 4: Simplify right side
    2,087.49x = 5,737,776.19
  5. Step 5: Solve for x
    x = 5,737,776.19/2,087.49
  6. Step 6: Final answer
    x = 2,748.65

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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.