Home / 2,355.97-3,250.38-1,411.79

Finding the Fourth Proportional to 2,355.97, 3,250.38 and 1,411.79

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Solution

The fourth proportional to 2,355.97, 3,250.38 and 1,411.79 is: 1,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.97 : 3,250.38 = 1,411.79 : x
  2. Step 2: Convert to fraction form
    2,355.97/3,250.38 = 1,411.79/x
  3. Step 3: Cross multiply
    2,355.97x = 3,250.38 × 1,411.79
  4. Step 4: Simplify right side
    2,355.97x = 4,588,853.98
  5. Step 5: Solve for x
    x = 4,588,853.98/2,355.97
  6. Step 6: Final answer
    x = 1,947.76

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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.