Home / 3,861.86-5,332.29-2,371.82

Finding the Fourth Proportional to 3,861.86, 5,332.29 and 2,371.82

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Solution

The fourth proportional to 3,861.86, 5,332.29 and 2,371.82 is: 3,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.86 : 5,332.29 = 2,371.82 : x
  2. Step 2: Convert to fraction form
    3,861.86/5,332.29 = 2,371.82/x
  3. Step 3: Cross multiply
    3,861.86x = 5,332.29 × 2,371.82
  4. Step 4: Simplify right side
    3,861.86x = 12,647,232.07
  5. Step 5: Solve for x
    x = 12,647,232.07/3,861.86
  6. Step 6: Final answer
    x = 3,274.91

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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.