Home / 3,578.24-4,937.33-2,161.55

Finding the Fourth Proportional to 3,578.24, 4,937.33 and 2,161.55

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Solution

The fourth proportional to 3,578.24, 4,937.33 and 2,161.55 is: 2,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.24 : 4,937.33 = 2,161.55 : x
  2. Step 2: Convert to fraction form
    3,578.24/4,937.33 = 2,161.55/x
  3. Step 3: Cross multiply
    3,578.24x = 4,937.33 × 2,161.55
  4. Step 4: Simplify right side
    3,578.24x = 10,672,250.17
  5. Step 5: Solve for x
    x = 10,672,250.17/3,578.24
  6. Step 6: Final answer
    x = 2,982.55

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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.