Home / 3,154.11-4,352.70-1,975.87

Finding the Fourth Proportional to 3,154.11, 4,352.70 and 1,975.87

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Solution

The fourth proportional to 3,154.11, 4,352.70 and 1,975.87 is: 2,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.11 : 4,352.70 = 1,975.87 : x
  2. Step 2: Convert to fraction form
    3,154.11/4,352.70 = 1,975.87/x
  3. Step 3: Cross multiply
    3,154.11x = 4,352.70 × 1,975.87
  4. Step 4: Simplify right side
    3,154.11x = 8,600,369.35
  5. Step 5: Solve for x
    x = 8,600,369.35/3,154.11
  6. Step 6: Final answer
    x = 2,726.72

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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.