Home / 3,472.55-4,790.77-2,143.95

Finding the Fourth Proportional to 3,472.55, 4,790.77 and 2,143.95

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Solution

The fourth proportional to 3,472.55, 4,790.77 and 2,143.95 is: 2,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.55 : 4,790.77 = 2,143.95 : x
  2. Step 2: Convert to fraction form
    3,472.55/4,790.77 = 2,143.95/x
  3. Step 3: Cross multiply
    3,472.55x = 4,790.77 × 2,143.95
  4. Step 4: Simplify right side
    3,472.55x = 10,271,171.34
  5. Step 5: Solve for x
    x = 10,271,171.34/3,472.55
  6. Step 6: Final answer
    x = 2,957.82

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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.