Home / 2,961.28-4,444.60-1,575.78

Finding the Fourth Proportional to 2,961.28, 4,444.60 and 1,575.78

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Solution

The fourth proportional to 2,961.28, 4,444.60 and 1,575.78 is: 2,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.28 : 4,444.60 = 1,575.78 : x
  2. Step 2: Convert to fraction form
    2,961.28/4,444.60 = 1,575.78/x
  3. Step 3: Cross multiply
    2,961.28x = 4,444.60 × 1,575.78
  4. Step 4: Simplify right side
    2,961.28x = 7,003,712.18
  5. Step 5: Solve for x
    x = 7,003,712.18/2,961.28
  6. Step 6: Final answer
    x = 2,365.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.