Home / 3,640.81-5,022.79-2,242.75

Finding the Fourth Proportional to 3,640.81, 5,022.79 and 2,242.75

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Solution

The fourth proportional to 3,640.81, 5,022.79 and 2,242.75 is: 3,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.81 : 5,022.79 = 2,242.75 : x
  2. Step 2: Convert to fraction form
    3,640.81/5,022.79 = 2,242.75/x
  3. Step 3: Cross multiply
    3,640.81x = 5,022.79 × 2,242.75
  4. Step 4: Simplify right side
    3,640.81x = 11,264,862.27
  5. Step 5: Solve for x
    x = 11,264,862.27/3,640.81
  6. Step 6: Final answer
    x = 3,094.05

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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.