Home / 3,179.61-4,770.55-1,932.74

Finding the Fourth Proportional to 3,179.61, 4,770.55 and 1,932.74

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Solution

The fourth proportional to 3,179.61, 4,770.55 and 1,932.74 is: 2,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.61 : 4,770.55 = 1,932.74 : x
  2. Step 2: Convert to fraction form
    3,179.61/4,770.55 = 1,932.74/x
  3. Step 3: Cross multiply
    3,179.61x = 4,770.55 × 1,932.74
  4. Step 4: Simplify right side
    3,179.61x = 9,220,232.81
  5. Step 5: Solve for x
    x = 9,220,232.81/3,179.61
  6. Step 6: Final answer
    x = 2,899.80

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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.