Home / 3,200.28-4,417.76-2,152.95

Finding the Fourth Proportional to 3,200.28, 4,417.76 and 2,152.95

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Solution

The fourth proportional to 3,200.28, 4,417.76 and 2,152.95 is: 2,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.28 : 4,417.76 = 2,152.95 : x
  2. Step 2: Convert to fraction form
    3,200.28/4,417.76 = 2,152.95/x
  3. Step 3: Cross multiply
    3,200.28x = 4,417.76 × 2,152.95
  4. Step 4: Simplify right side
    3,200.28x = 9,511,205.63
  5. Step 5: Solve for x
    x = 9,511,205.63/3,200.28
  6. Step 6: Final answer
    x = 2,971.99

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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.