Home / 2,251.45-3,107.01-1,366.66

Finding the Fourth Proportional to 2,251.45, 3,107.01 and 1,366.66

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Solution

The fourth proportional to 2,251.45, 3,107.01 and 1,366.66 is: 1,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.45 : 3,107.01 = 1,366.66 : x
  2. Step 2: Convert to fraction form
    2,251.45/3,107.01 = 1,366.66/x
  3. Step 3: Cross multiply
    2,251.45x = 3,107.01 × 1,366.66
  4. Step 4: Simplify right side
    2,251.45x = 4,246,226.29
  5. Step 5: Solve for x
    x = 4,246,226.29/2,251.45
  6. Step 6: Final answer
    x = 1,886.00

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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.