Home / 2,619.55-3,929.10-1,232.56

Finding the Fourth Proportional to 2,619.55, 3,929.10 and 1,232.56

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Solution

The fourth proportional to 2,619.55, 3,929.10 and 1,232.56 is: 1,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.55 : 3,929.10 = 1,232.56 : x
  2. Step 2: Convert to fraction form
    2,619.55/3,929.10 = 1,232.56/x
  3. Step 3: Cross multiply
    2,619.55x = 3,929.10 × 1,232.56
  4. Step 4: Simplify right side
    2,619.55x = 4,842,851.50
  5. Step 5: Solve for x
    x = 4,842,851.50/2,619.55
  6. Step 6: Final answer
    x = 1,848.73

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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.