Home / 4,156.80-5,736.26-2,388.38

Finding the Fourth Proportional to 4,156.80, 5,736.26 and 2,388.38

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Solution

The fourth proportional to 4,156.80, 5,736.26 and 2,388.38 is: 3,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.80 : 5,736.26 = 2,388.38 : x
  2. Step 2: Convert to fraction form
    4,156.80/5,736.26 = 2,388.38/x
  3. Step 3: Cross multiply
    4,156.80x = 5,736.26 × 2,388.38
  4. Step 4: Simplify right side
    4,156.80x = 13,700,328.04
  5. Step 5: Solve for x
    x = 13,700,328.04/4,156.80
  6. Step 6: Final answer
    x = 3,295.88

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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.