Home / 3,767.69-5,199.57-2,275.32

Finding the Fourth Proportional to 3,767.69, 5,199.57 and 2,275.32

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Solution

The fourth proportional to 3,767.69, 5,199.57 and 2,275.32 is: 3,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.69 : 5,199.57 = 2,275.32 : x
  2. Step 2: Convert to fraction form
    3,767.69/5,199.57 = 2,275.32/x
  3. Step 3: Cross multiply
    3,767.69x = 5,199.57 × 2,275.32
  4. Step 4: Simplify right side
    3,767.69x = 11,830,654.84
  5. Step 5: Solve for x
    x = 11,830,654.84/3,767.69
  6. Step 6: Final answer
    x = 3,140.03

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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.