Home / 3,614.84-4,988.49-2,042.90

Finding the Fourth Proportional to 3,614.84, 4,988.49 and 2,042.90

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Solution

The fourth proportional to 3,614.84, 4,988.49 and 2,042.90 is: 2,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.84 : 4,988.49 = 2,042.90 : x
  2. Step 2: Convert to fraction form
    3,614.84/4,988.49 = 2,042.90/x
  3. Step 3: Cross multiply
    3,614.84x = 4,988.49 × 2,042.90
  4. Step 4: Simplify right side
    3,614.84x = 10,190,986.22
  5. Step 5: Solve for x
    x = 10,190,986.22/3,614.84
  6. Step 6: Final answer
    x = 2,819.21

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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.