Home / 2,959.95-4,435.70-2,173.78

Finding the Fourth Proportional to 2,959.95, 4,435.70 and 2,173.78

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Solution

The fourth proportional to 2,959.95, 4,435.70 and 2,173.78 is: 3,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.95 : 4,435.70 = 2,173.78 : x
  2. Step 2: Convert to fraction form
    2,959.95/4,435.70 = 2,173.78/x
  3. Step 3: Cross multiply
    2,959.95x = 4,435.70 × 2,173.78
  4. Step 4: Simplify right side
    2,959.95x = 9,642,230.62
  5. Step 5: Solve for x
    x = 9,642,230.62/2,959.95
  6. Step 6: Final answer
    x = 3,257.56

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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.