Home / 4,029.80-5,561.40-2,261.52

Finding the Fourth Proportional to 4,029.80, 5,561.40 and 2,261.52

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Solution

The fourth proportional to 4,029.80, 5,561.40 and 2,261.52 is: 3,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029.80 : 5,561.40 = 2,261.52 : x
  2. Step 2: Convert to fraction form
    4,029.80/5,561.40 = 2,261.52/x
  3. Step 3: Cross multiply
    4,029.80x = 5,561.40 × 2,261.52
  4. Step 4: Simplify right side
    4,029.80x = 12,577,217.33
  5. Step 5: Solve for x
    x = 12,577,217.33/4,029.80
  6. Step 6: Final answer
    x = 3,121.05

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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.