Home / 2,227.02-3,073.65-2,128.59

Finding the Fourth Proportional to 2,227.02, 3,073.65 and 2,128.59

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Solution

The fourth proportional to 2,227.02, 3,073.65 and 2,128.59 is: 2,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.02 : 3,073.65 = 2,128.59 : x
  2. Step 2: Convert to fraction form
    2,227.02/3,073.65 = 2,128.59/x
  3. Step 3: Cross multiply
    2,227.02x = 3,073.65 × 2,128.59
  4. Step 4: Simplify right side
    2,227.02x = 6,542,540.65
  5. Step 5: Solve for x
    x = 6,542,540.65/2,227.02
  6. Step 6: Final answer
    x = 2,937.80

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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.