Home / 3,891.46-5,366.90-2,632.18

Finding the Fourth Proportional to 3,891.46, 5,366.90 and 2,632.18

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Solution

The fourth proportional to 3,891.46, 5,366.90 and 2,632.18 is: 3,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.46 : 5,366.90 = 2,632.18 : x
  2. Step 2: Convert to fraction form
    3,891.46/5,366.90 = 2,632.18/x
  3. Step 3: Cross multiply
    3,891.46x = 5,366.90 × 2,632.18
  4. Step 4: Simplify right side
    3,891.46x = 14,126,646.84
  5. Step 5: Solve for x
    x = 14,126,646.84/3,891.46
  6. Step 6: Final answer
    x = 3,630.17

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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.