Home / 3,113.85-4,672.71-1,167.42

Finding the Fourth Proportional to 3,113.85, 4,672.71 and 1,167.42

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Solution

The fourth proportional to 3,113.85, 4,672.71 and 1,167.42 is: 1,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.85 : 4,672.71 = 1,167.42 : x
  2. Step 2: Convert to fraction form
    3,113.85/4,672.71 = 1,167.42/x
  3. Step 3: Cross multiply
    3,113.85x = 4,672.71 × 1,167.42
  4. Step 4: Simplify right side
    3,113.85x = 5,455,015.11
  5. Step 5: Solve for x
    x = 5,455,015.11/3,113.85
  6. Step 6: Final answer
    x = 1,751.86

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1.5x scale

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.