Home / 4,040.20-5,575.42-2,271.80

Finding the Fourth Proportional to 4,040.20, 5,575.42 and 2,271.80

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Solution

The fourth proportional to 4,040.20, 5,575.42 and 2,271.80 is: 3,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.20 : 5,575.42 = 2,271.80 : x
  2. Step 2: Convert to fraction form
    4,040.20/5,575.42 = 2,271.80/x
  3. Step 3: Cross multiply
    4,040.20x = 5,575.42 × 2,271.80
  4. Step 4: Simplify right side
    4,040.20x = 12,666,239.16
  5. Step 5: Solve for x
    x = 12,666,239.16/4,040.20
  6. Step 6: Final answer
    x = 3,135.05

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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.