Home / 3,614.78-4,988.19-2,042.77

Finding the Fourth Proportional to 3,614.78, 4,988.19 and 2,042.77

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Solution

The fourth proportional to 3,614.78, 4,988.19 and 2,042.77 is: 2,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.78 : 4,988.19 = 2,042.77 : x
  2. Step 2: Convert to fraction form
    3,614.78/4,988.19 = 2,042.77/x
  3. Step 3: Cross multiply
    3,614.78x = 4,988.19 × 2,042.77
  4. Step 4: Simplify right side
    3,614.78x = 10,189,712.42
  5. Step 5: Solve for x
    x = 10,189,712.42/3,614.78
  6. Step 6: Final answer
    x = 2,818.91

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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.