Home / 3,767.35-5,198.81-2,275.13

Finding the Fourth Proportional to 3,767.35, 5,198.81 and 2,275.13

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Solution

The fourth proportional to 3,767.35, 5,198.81 and 2,275.13 is: 3,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.35 : 5,198.81 = 2,275.13 : x
  2. Step 2: Convert to fraction form
    3,767.35/5,198.81 = 2,275.13/x
  3. Step 3: Cross multiply
    3,767.35x = 5,198.81 × 2,275.13
  4. Step 4: Simplify right side
    3,767.35x = 11,827,968.60
  5. Step 5: Solve for x
    x = 11,827,968.60/3,767.35
  6. Step 6: Final answer
    x = 3,139.60

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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.