Home / 2,261.02-3,391.49-722.02

Finding the Fourth Proportional to 2,261.02, 3,391.49 and 722.02

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Solution

The fourth proportional to 2,261.02, 3,391.49 and 722.02 is: 1,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.02 : 3,391.49 = 722.02 : x
  2. Step 2: Convert to fraction form
    2,261.02/3,391.49 = 722.02/x
  3. Step 3: Cross multiply
    2,261.02x = 3,391.49 × 722.02
  4. Step 4: Simplify right side
    2,261.02x = 2,448,723.61
  5. Step 5: Solve for x
    x = 2,448,723.61/2,261.02
  6. Step 6: Final answer
    x = 1,083.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.