Home / 3,577.61-5,367.10-1,112.46

Finding the Fourth Proportional to 3,577.61, 5,367.10 and 1,112.46

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Solution

The fourth proportional to 3,577.61, 5,367.10 and 1,112.46 is: 1,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.61 : 5,367.10 = 1,112.46 : x
  2. Step 2: Convert to fraction form
    3,577.61/5,367.10 = 1,112.46/x
  3. Step 3: Cross multiply
    3,577.61x = 5,367.10 × 1,112.46
  4. Step 4: Simplify right side
    3,577.61x = 5,970,657.23
  5. Step 5: Solve for x
    x = 5,970,657.23/3,577.61
  6. Step 6: Final answer
    x = 1,668.90

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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.