Home / 3,418.39-5,125.76-1,770.85

Finding the Fourth Proportional to 3,418.39, 5,125.76 and 1,770.85

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Solution

The fourth proportional to 3,418.39, 5,125.76 and 1,770.85 is: 2,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.39 : 5,125.76 = 1,770.85 : x
  2. Step 2: Convert to fraction form
    3,418.39/5,125.76 = 1,770.85/x
  3. Step 3: Cross multiply
    3,418.39x = 5,125.76 × 1,770.85
  4. Step 4: Simplify right side
    3,418.39x = 9,076,917.61
  5. Step 5: Solve for x
    x = 9,076,917.61/3,418.39
  6. Step 6: Final answer
    x = 2,655.32

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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.