Home / 3,785.08-5,223.30-2,191.48

Finding the Fourth Proportional to 3,785.08, 5,223.30 and 2,191.48

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Solution

The fourth proportional to 3,785.08, 5,223.30 and 2,191.48 is: 3,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.08 : 5,223.30 = 2,191.48 : x
  2. Step 2: Convert to fraction form
    3,785.08/5,223.30 = 2,191.48/x
  3. Step 3: Cross multiply
    3,785.08x = 5,223.30 × 2,191.48
  4. Step 4: Simplify right side
    3,785.08x = 11,446,757.48
  5. Step 5: Solve for x
    x = 11,446,757.48/3,785.08
  6. Step 6: Final answer
    x = 3,024.18

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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.