Home / 3,418.46-5,125.87-1,770.92

Finding the Fourth Proportional to 3,418.46, 5,125.87 and 1,770.92

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Solution

The fourth proportional to 3,418.46, 5,125.87 and 1,770.92 is: 2,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.46 : 5,125.87 = 1,770.92 : x
  2. Step 2: Convert to fraction form
    3,418.46/5,125.87 = 1,770.92/x
  3. Step 3: Cross multiply
    3,418.46x = 5,125.87 × 1,770.92
  4. Step 4: Simplify right side
    3,418.46x = 9,077,505.70
  5. Step 5: Solve for x
    x = 9,077,505.70/3,418.46
  6. Step 6: Final answer
    x = 2,655.44

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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.