Home / 3,861.74-5,329.17-2,290.58

Finding the Fourth Proportional to 3,861.74, 5,329.17 and 2,290.58

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Solution

The fourth proportional to 3,861.74, 5,329.17 and 2,290.58 is: 3,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.74 : 5,329.17 = 2,290.58 : x
  2. Step 2: Convert to fraction form
    3,861.74/5,329.17 = 2,290.58/x
  3. Step 3: Cross multiply
    3,861.74x = 5,329.17 × 2,290.58
  4. Step 4: Simplify right side
    3,861.74x = 12,206,890.22
  5. Step 5: Solve for x
    x = 12,206,890.22/3,861.74
  6. Step 6: Final answer
    x = 3,160.98

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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.