Home / 3,189.29-4,401.19-1,772.98

Finding the Fourth Proportional to 3,189.29, 4,401.19 and 1,772.98

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Solution

The fourth proportional to 3,189.29, 4,401.19 and 1,772.98 is: 2,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.29 : 4,401.19 = 1,772.98 : x
  2. Step 2: Convert to fraction form
    3,189.29/4,401.19 = 1,772.98/x
  3. Step 3: Cross multiply
    3,189.29x = 4,401.19 × 1,772.98
  4. Step 4: Simplify right side
    3,189.29x = 7,803,221.85
  5. Step 5: Solve for x
    x = 7,803,221.85/3,189.29
  6. Step 6: Final answer
    x = 2,446.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.