Home / 3,785.03-5,223.29-2,191.89

Finding the Fourth Proportional to 3,785.03, 5,223.29 and 2,191.89

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Solution

The fourth proportional to 3,785.03, 5,223.29 and 2,191.89 is: 3,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.03 : 5,223.29 = 2,191.89 : x
  2. Step 2: Convert to fraction form
    3,785.03/5,223.29 = 2,191.89/x
  3. Step 3: Cross multiply
    3,785.03x = 5,223.29 × 2,191.89
  4. Step 4: Simplify right side
    3,785.03x = 11,448,866.16
  5. Step 5: Solve for x
    x = 11,448,866.16/3,785.03
  6. Step 6: Final answer
    x = 3,024.78

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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.