Home / 4,134.76-5,704.32-2,642.29

Finding the Fourth Proportional to 4,134.76, 5,704.32 and 2,642.29

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Solution

The fourth proportional to 4,134.76, 5,704.32 and 2,642.29 is: 3,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.76 : 5,704.32 = 2,642.29 : x
  2. Step 2: Convert to fraction form
    4,134.76/5,704.32 = 2,642.29/x
  3. Step 3: Cross multiply
    4,134.76x = 5,704.32 × 2,642.29
  4. Step 4: Simplify right side
    4,134.76x = 15,072,467.69
  5. Step 5: Solve for x
    x = 15,072,467.69/4,134.76
  6. Step 6: Final answer
    x = 3,645.31

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Half scale
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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.