Home / 2,042.39-2,819.13-1,937.90

Finding the Fourth Proportional to 2,042.39, 2,819.13 and 1,937.90

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Solution

The fourth proportional to 2,042.39, 2,819.13 and 1,937.90 is: 2,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.39 : 2,819.13 = 1,937.90 : x
  2. Step 2: Convert to fraction form
    2,042.39/2,819.13 = 1,937.90/x
  3. Step 3: Cross multiply
    2,042.39x = 2,819.13 × 1,937.90
  4. Step 4: Simplify right side
    2,042.39x = 5,463,192.03
  5. Step 5: Solve for x
    x = 5,463,192.03/2,042.39
  6. Step 6: Final answer
    x = 2,674.90

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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.