Home / 3,767.53-5,199.78-2,275.66

Finding the Fourth Proportional to 3,767.53, 5,199.78 and 2,275.66

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Solution

The fourth proportional to 3,767.53, 5,199.78 and 2,275.66 is: 3,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.53 : 5,199.78 = 2,275.66 : x
  2. Step 2: Convert to fraction form
    3,767.53/5,199.78 = 2,275.66/x
  3. Step 3: Cross multiply
    3,767.53x = 5,199.78 × 2,275.66
  4. Step 4: Simplify right side
    3,767.53x = 11,832,921.25
  5. Step 5: Solve for x
    x = 11,832,921.25/3,767.53
  6. Step 6: Final answer
    x = 3,140.77

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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.