Home / 3,319.47-4,972.98-1,672.02

Finding the Fourth Proportional to 3,319.47, 4,972.98 and 1,672.02

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Solution

The fourth proportional to 3,319.47, 4,972.98 and 1,672.02 is: 2,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.47 : 4,972.98 = 1,672.02 : x
  2. Step 2: Convert to fraction form
    3,319.47/4,972.98 = 1,672.02/x
  3. Step 3: Cross multiply
    3,319.47x = 4,972.98 × 1,672.02
  4. Step 4: Simplify right side
    3,319.47x = 8,314,922.02
  5. Step 5: Solve for x
    x = 8,314,922.02/3,319.47
  6. Step 6: Final answer
    x = 2,504.89

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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.