Home / 3,116.38-4,667.98-2,520.84

Finding the Fourth Proportional to 3,116.38, 4,667.98 and 2,520.84

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Solution

The fourth proportional to 3,116.38, 4,667.98 and 2,520.84 is: 3,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.38 : 4,667.98 = 2,520.84 : x
  2. Step 2: Convert to fraction form
    3,116.38/4,667.98 = 2,520.84/x
  3. Step 3: Cross multiply
    3,116.38x = 4,667.98 × 2,520.84
  4. Step 4: Simplify right side
    3,116.38x = 11,767,230.70
  5. Step 5: Solve for x
    x = 11,767,230.70/3,116.38
  6. Step 6: Final answer
    x = 3,775.93

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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.