Home / 3,320.16-4,977.60-2,277.60

Finding the Fourth Proportional to 3,320.16, 4,977.60 and 2,277.60

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Solution

The fourth proportional to 3,320.16, 4,977.60 and 2,277.60 is: 3,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.16 : 4,977.60 = 2,277.60 : x
  2. Step 2: Convert to fraction form
    3,320.16/4,977.60 = 2,277.60/x
  3. Step 3: Cross multiply
    3,320.16x = 4,977.60 × 2,277.60
  4. Step 4: Simplify right side
    3,320.16x = 11,336,981.76
  5. Step 5: Solve for x
    x = 11,336,981.76/3,320.16
  6. Step 6: Final answer
    x = 3,414.59

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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.