Home / 2,474.07-3,418.56-1,947.14

Finding the Fourth Proportional to 2,474.07, 3,418.56 and 1,947.14

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Solution

The fourth proportional to 2,474.07, 3,418.56 and 1,947.14 is: 2,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.07 : 3,418.56 = 1,947.14 : x
  2. Step 2: Convert to fraction form
    2,474.07/3,418.56 = 1,947.14/x
  3. Step 3: Cross multiply
    2,474.07x = 3,418.56 × 1,947.14
  4. Step 4: Simplify right side
    2,474.07x = 6,656,414.92
  5. Step 5: Solve for x
    x = 6,656,414.92/2,474.07
  6. Step 6: Final answer
    x = 2,690.47

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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.