Home / 2,474.26-3,414.48-1,355.20

Finding the Fourth Proportional to 2,474.26, 3,414.48 and 1,355.20

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Solution

The fourth proportional to 2,474.26, 3,414.48 and 1,355.20 is: 1,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.26 : 3,414.48 = 1,355.20 : x
  2. Step 2: Convert to fraction form
    2,474.26/3,414.48 = 1,355.20/x
  3. Step 3: Cross multiply
    2,474.26x = 3,414.48 × 1,355.20
  4. Step 4: Simplify right side
    2,474.26x = 4,627,296.52
  5. Step 5: Solve for x
    x = 4,627,296.52/2,474.26
  6. Step 6: Final answer
    x = 1,870.17

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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.