Home / 2,428.97-3,350.42-1,434.19

Finding the Fourth Proportional to 2,428.97, 3,350.42 and 1,434.19

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Solution

The fourth proportional to 2,428.97, 3,350.42 and 1,434.19 is: 1,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.97 : 3,350.42 = 1,434.19 : x
  2. Step 2: Convert to fraction form
    2,428.97/3,350.42 = 1,434.19/x
  3. Step 3: Cross multiply
    2,428.97x = 3,350.42 × 1,434.19
  4. Step 4: Simplify right side
    2,428.97x = 4,805,141.26
  5. Step 5: Solve for x
    x = 4,805,141.26/2,428.97
  6. Step 6: Final answer
    x = 1,978.26

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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.