Home / 2,635.02-3,639.20-2,472.21

Finding the Fourth Proportional to 2,635.02, 3,639.20 and 2,472.21

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Solution

The fourth proportional to 2,635.02, 3,639.20 and 2,472.21 is: 3,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.02 : 3,639.20 = 2,472.21 : x
  2. Step 2: Convert to fraction form
    2,635.02/3,639.20 = 2,472.21/x
  3. Step 3: Cross multiply
    2,635.02x = 3,639.20 × 2,472.21
  4. Step 4: Simplify right side
    2,635.02x = 8,996,854.27
  5. Step 5: Solve for x
    x = 8,996,854.27/2,635.02
  6. Step 6: Final answer
    x = 3,414.34

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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.