Home / 2,251.36-3,106.02-1,411.70

Finding the Fourth Proportional to 2,251.36, 3,106.02 and 1,411.70

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Solution

The fourth proportional to 2,251.36, 3,106.02 and 1,411.70 is: 1,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.36 : 3,106.02 = 1,411.70 : x
  2. Step 2: Convert to fraction form
    2,251.36/3,106.02 = 1,411.70/x
  3. Step 3: Cross multiply
    2,251.36x = 3,106.02 × 1,411.70
  4. Step 4: Simplify right side
    2,251.36x = 4,384,768.43
  5. Step 5: Solve for x
    x = 4,384,768.43/2,251.36
  6. Step 6: Final answer
    x = 1,947.61

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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.