Home / 3,251.34-4,868.67-1,788.87

Finding the Fourth Proportional to 3,251.34, 4,868.67 and 1,788.87

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Solution

The fourth proportional to 3,251.34, 4,868.67 and 1,788.87 is: 2,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.34 : 4,868.67 = 1,788.87 : x
  2. Step 2: Convert to fraction form
    3,251.34/4,868.67 = 1,788.87/x
  3. Step 3: Cross multiply
    3,251.34x = 4,868.67 × 1,788.87
  4. Step 4: Simplify right side
    3,251.34x = 8,709,417.70
  5. Step 5: Solve for x
    x = 8,709,417.70/3,251.34
  6. Step 6: Final answer
    x = 2,678.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.