Home / 4,108.49-5,667.90-2,515.20

Finding the Fourth Proportional to 4,108.49, 5,667.90 and 2,515.20

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Solution

The fourth proportional to 4,108.49, 5,667.90 and 2,515.20 is: 3,469.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.49 : 5,667.90 = 2,515.20 : x
  2. Step 2: Convert to fraction form
    4,108.49/5,667.90 = 2,515.20/x
  3. Step 3: Cross multiply
    4,108.49x = 5,667.90 × 2,515.20
  4. Step 4: Simplify right side
    4,108.49x = 14,255,902.08
  5. Step 5: Solve for x
    x = 14,255,902.08/4,108.49
  6. Step 6: Final answer
    x = 3,469.87

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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.