Home / 3,327.60-4,984.80-2,917.20

Finding the Fourth Proportional to 3,327.60, 4,984.80 and 2,917.20

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Solution

The fourth proportional to 3,327.60, 4,984.80 and 2,917.20 is: 4,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.60 : 4,984.80 = 2,917.20 : x
  2. Step 2: Convert to fraction form
    3,327.60/4,984.80 = 2,917.20/x
  3. Step 3: Cross multiply
    3,327.60x = 4,984.80 × 2,917.20
  4. Step 4: Simplify right side
    3,327.60x = 14,541,658.56
  5. Step 5: Solve for x
    x = 14,541,658.56/3,327.60
  6. Step 6: Final answer
    x = 4,370.01

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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.