Home / 4,029.89-5,561.49-2,261.61

Finding the Fourth Proportional to 4,029.89, 5,561.49 and 2,261.61

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Solution

The fourth proportional to 4,029.89, 5,561.49 and 2,261.61 is: 3,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029.89 : 5,561.49 = 2,261.61 : x
  2. Step 2: Convert to fraction form
    4,029.89/5,561.49 = 2,261.61/x
  3. Step 3: Cross multiply
    4,029.89x = 5,561.49 × 2,261.61
  4. Step 4: Simplify right side
    4,029.89x = 12,577,921.40
  5. Step 5: Solve for x
    x = 12,577,921.40/4,029.89
  6. Step 6: Final answer
    x = 3,121.16

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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.