Home / 2,631.80-3,632.10-1,512.92

Finding the Fourth Proportional to 2,631.80, 3,632.10 and 1,512.92

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Solution

The fourth proportional to 2,631.80, 3,632.10 and 1,512.92 is: 2,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.80 : 3,632.10 = 1,512.92 : x
  2. Step 2: Convert to fraction form
    2,631.80/3,632.10 = 1,512.92/x
  3. Step 3: Cross multiply
    2,631.80x = 3,632.10 × 1,512.92
  4. Step 4: Simplify right side
    2,631.80x = 5,495,076.73
  5. Step 5: Solve for x
    x = 5,495,076.73/2,631.80
  6. Step 6: Final answer
    x = 2,087.95

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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.