Home / 4,040.28-5,575.55-2,271.90

Finding the Fourth Proportional to 4,040.28, 5,575.55 and 2,271.90

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Solution

The fourth proportional to 4,040.28, 5,575.55 and 2,271.90 is: 3,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.28 : 5,575.55 = 2,271.90 : x
  2. Step 2: Convert to fraction form
    4,040.28/5,575.55 = 2,271.90/x
  3. Step 3: Cross multiply
    4,040.28x = 5,575.55 × 2,271.90
  4. Step 4: Simplify right side
    4,040.28x = 12,667,064.17
  5. Step 5: Solve for x
    x = 12,667,064.17/4,040.28
  6. Step 6: Final answer
    x = 3,135.19

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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.