Home / 2,382.18-3,287.30-1,334.22

Finding the Fourth Proportional to 2,382.18, 3,287.30 and 1,334.22

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Solution

The fourth proportional to 2,382.18, 3,287.30 and 1,334.22 is: 1,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.18 : 3,287.30 = 1,334.22 : x
  2. Step 2: Convert to fraction form
    2,382.18/3,287.30 = 1,334.22/x
  3. Step 3: Cross multiply
    2,382.18x = 3,287.30 × 1,334.22
  4. Step 4: Simplify right side
    2,382.18x = 4,385,981.41
  5. Step 5: Solve for x
    x = 4,385,981.41/2,382.18
  6. Step 6: Final answer
    x = 1,841.16

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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.