Home / 4,187.68-5,778.94-2,299.28

Finding the Fourth Proportional to 4,187.68, 5,778.94 and 2,299.28

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Solution

The fourth proportional to 4,187.68, 5,778.94 and 2,299.28 is: 3,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.68 : 5,778.94 = 2,299.28 : x
  2. Step 2: Convert to fraction form
    4,187.68/5,778.94 = 2,299.28/x
  3. Step 3: Cross multiply
    4,187.68x = 5,778.94 × 2,299.28
  4. Step 4: Simplify right side
    4,187.68x = 13,287,401.16
  5. Step 5: Solve for x
    x = 13,287,401.16/4,187.68
  6. Step 6: Final answer
    x = 3,172.97

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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.