Home / 2,382.24-3,287.28-1,334.40

Finding the Fourth Proportional to 2,382.24, 3,287.28 and 1,334.40

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Solution

The fourth proportional to 2,382.24, 3,287.28 and 1,334.40 is: 1,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.24 : 3,287.28 = 1,334.40 : x
  2. Step 2: Convert to fraction form
    2,382.24/3,287.28 = 1,334.40/x
  3. Step 3: Cross multiply
    2,382.24x = 3,287.28 × 1,334.40
  4. Step 4: Simplify right side
    2,382.24x = 4,386,546.43
  5. Step 5: Solve for x
    x = 4,386,546.43/2,382.24
  6. Step 6: Final answer
    x = 1,841.35

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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.