Home / 2,251.61-3,107.39-1,256.93

Finding the Fourth Proportional to 2,251.61, 3,107.39 and 1,256.93

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Solution

The fourth proportional to 2,251.61, 3,107.39 and 1,256.93 is: 1,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.61 : 3,107.39 = 1,256.93 : x
  2. Step 2: Convert to fraction form
    2,251.61/3,107.39 = 1,256.93/x
  3. Step 3: Cross multiply
    2,251.61x = 3,107.39 × 1,256.93
  4. Step 4: Simplify right side
    2,251.61x = 3,905,771.71
  5. Step 5: Solve for x
    x = 3,905,771.71/2,251.61
  6. Step 6: Final answer
    x = 1,734.66

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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.