Home / 3,298.75-4,947.58-2,321.89

Finding the Fourth Proportional to 3,298.75, 4,947.58 and 2,321.89

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Solution

The fourth proportional to 3,298.75, 4,947.58 and 2,321.89 is: 3,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.75 : 4,947.58 = 2,321.89 : x
  2. Step 2: Convert to fraction form
    3,298.75/4,947.58 = 2,321.89/x
  3. Step 3: Cross multiply
    3,298.75x = 4,947.58 × 2,321.89
  4. Step 4: Simplify right side
    3,298.75x = 11,487,736.53
  5. Step 5: Solve for x
    x = 11,487,736.53/3,298.75
  6. Step 6: Final answer
    x = 3,482.45

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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.