Home / 3,767.61-5,199.44-2,275.24

Finding the Fourth Proportional to 3,767.61, 5,199.44 and 2,275.24

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Solution

The fourth proportional to 3,767.61, 5,199.44 and 2,275.24 is: 3,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.61 : 5,199.44 = 2,275.24 : x
  2. Step 2: Convert to fraction form
    3,767.61/5,199.44 = 2,275.24/x
  3. Step 3: Cross multiply
    3,767.61x = 5,199.44 × 2,275.24
  4. Step 4: Simplify right side
    3,767.61x = 11,829,973.87
  5. Step 5: Solve for x
    x = 11,829,973.87/3,767.61
  6. Step 6: Final answer
    x = 3,139.91

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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.