Home / 3,790.20-5,227.02-2,390.52

Finding the Fourth Proportional to 3,790.20, 5,227.02 and 2,390.52

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Solution

The fourth proportional to 3,790.20, 5,227.02 and 2,390.52 is: 3,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.20 : 5,227.02 = 2,390.52 : x
  2. Step 2: Convert to fraction form
    3,790.20/5,227.02 = 2,390.52/x
  3. Step 3: Cross multiply
    3,790.20x = 5,227.02 × 2,390.52
  4. Step 4: Simplify right side
    3,790.20x = 12,495,295.85
  5. Step 5: Solve for x
    x = 12,495,295.85/3,790.20
  6. Step 6: Final answer
    x = 3,296.74

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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.