Home / 3,177.45-4,765.95-1,327.89

Finding the Fourth Proportional to 3,177.45, 4,765.95 and 1,327.89

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Solution

The fourth proportional to 3,177.45, 4,765.95 and 1,327.89 is: 1,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.45 : 4,765.95 = 1,327.89 : x
  2. Step 2: Convert to fraction form
    3,177.45/4,765.95 = 1,327.89/x
  3. Step 3: Cross multiply
    3,177.45x = 4,765.95 × 1,327.89
  4. Step 4: Simplify right side
    3,177.45x = 6,328,657.35
  5. Step 5: Solve for x
    x = 6,328,657.35/3,177.45
  6. Step 6: Final answer
    x = 1,991.74

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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.