Home / 3,296.60-4,937.70-2,931.80

Finding the Fourth Proportional to 3,296.60, 4,937.70 and 2,931.80

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Solution

The fourth proportional to 3,296.60, 4,937.70 and 2,931.80 is: 4,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.60 : 4,937.70 = 2,931.80 : x
  2. Step 2: Convert to fraction form
    3,296.60/4,937.70 = 2,931.80/x
  3. Step 3: Cross multiply
    3,296.60x = 4,937.70 × 2,931.80
  4. Step 4: Simplify right side
    3,296.60x = 14,476,348.86
  5. Step 5: Solve for x
    x = 14,476,348.86/3,296.60
  6. Step 6: Final answer
    x = 4,391.30

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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.