Home / 2,382.78-3,286.80-1,497.06

Finding the Fourth Proportional to 2,382.78, 3,286.80 and 1,497.06

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Solution

The fourth proportional to 2,382.78, 3,286.80 and 1,497.06 is: 2,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.78 : 3,286.80 = 1,497.06 : x
  2. Step 2: Convert to fraction form
    2,382.78/3,286.80 = 1,497.06/x
  3. Step 3: Cross multiply
    2,382.78x = 3,286.80 × 1,497.06
  4. Step 4: Simplify right side
    2,382.78x = 4,920,536.81
  5. Step 5: Solve for x
    x = 4,920,536.81/2,382.78
  6. Step 6: Final answer
    x = 2,065.04

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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.