Home / 2,519.56-3,780.06-1,057.96

Finding the Fourth Proportional to 2,519.56, 3,780.06 and 1,057.96

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Solution

The fourth proportional to 2,519.56, 3,780.06 and 1,057.96 is: 1,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.56 : 3,780.06 = 1,057.96 : x
  2. Step 2: Convert to fraction form
    2,519.56/3,780.06 = 1,057.96/x
  3. Step 3: Cross multiply
    2,519.56x = 3,780.06 × 1,057.96
  4. Step 4: Simplify right side
    2,519.56x = 3,999,152.28
  5. Step 5: Solve for x
    x = 3,999,152.28/2,519.56
  6. Step 6: Final answer
    x = 1,587.24

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