Home / 4,039.88-5,575.56-2,271.50

Finding the Fourth Proportional to 4,039.88, 5,575.56 and 2,271.50

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Solution

The fourth proportional to 4,039.88, 5,575.56 and 2,271.50 is: 3,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.88 : 5,575.56 = 2,271.50 : x
  2. Step 2: Convert to fraction form
    4,039.88/5,575.56 = 2,271.50/x
  3. Step 3: Cross multiply
    4,039.88x = 5,575.56 × 2,271.50
  4. Step 4: Simplify right side
    4,039.88x = 12,664,884.54
  5. Step 5: Solve for x
    x = 12,664,884.54/4,039.88
  6. Step 6: Final answer
    x = 3,134.97

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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.