Home / 2,482.11-3,425.49-1,434.78

Finding the Fourth Proportional to 2,482.11, 3,425.49 and 1,434.78

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Solution

The fourth proportional to 2,482.11, 3,425.49 and 1,434.78 is: 1,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.11 : 3,425.49 = 1,434.78 : x
  2. Step 2: Convert to fraction form
    2,482.11/3,425.49 = 1,434.78/x
  3. Step 3: Cross multiply
    2,482.11x = 3,425.49 × 1,434.78
  4. Step 4: Simplify right side
    2,482.11x = 4,914,824.54
  5. Step 5: Solve for x
    x = 4,914,824.54/2,482.11
  6. Step 6: Final answer
    x = 1,980.10

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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.