Home / 3,029.85-4,543.89-1,180.55

Finding the Fourth Proportional to 3,029.85, 4,543.89 and 1,180.55

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Solution

The fourth proportional to 3,029.85, 4,543.89 and 1,180.55 is: 1,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.85 : 4,543.89 = 1,180.55 : x
  2. Step 2: Convert to fraction form
    3,029.85/4,543.89 = 1,180.55/x
  3. Step 3: Cross multiply
    3,029.85x = 4,543.89 × 1,180.55
  4. Step 4: Simplify right side
    3,029.85x = 5,364,289.34
  5. Step 5: Solve for x
    x = 5,364,289.34/3,029.85
  6. Step 6: Final answer
    x = 1,770.48

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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.