Home / 4,040.15-5,575.48-2,271.78

Finding the Fourth Proportional to 4,040.15, 5,575.48 and 2,271.78

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Solution

The fourth proportional to 4,040.15, 5,575.48 and 2,271.78 is: 3,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.15 : 5,575.48 = 2,271.78 : x
  2. Step 2: Convert to fraction form
    4,040.15/5,575.48 = 2,271.78/x
  3. Step 3: Cross multiply
    4,040.15x = 5,575.48 × 2,271.78
  4. Step 4: Simplify right side
    4,040.15x = 12,666,258.27
  5. Step 5: Solve for x
    x = 12,666,258.27/4,040.15
  6. Step 6: Final answer
    x = 3,135.10

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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.