Home / 3,150.60-4,722.90-1,175.70

Finding the Fourth Proportional to 3,150.60, 4,722.90 and 1,175.70

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Solution

The fourth proportional to 3,150.60, 4,722.90 and 1,175.70 is: 1,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.60 : 4,722.90 = 1,175.70 : x
  2. Step 2: Convert to fraction form
    3,150.60/4,722.90 = 1,175.70/x
  3. Step 3: Cross multiply
    3,150.60x = 4,722.90 × 1,175.70
  4. Step 4: Simplify right side
    3,150.60x = 5,552,713.53
  5. Step 5: Solve for x
    x = 5,552,713.53/3,150.60
  6. Step 6: Final answer
    x = 1,762.43

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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.