Home / 3,276.78-4,522.01-1,784.72

Finding the Fourth Proportional to 3,276.78, 4,522.01 and 1,784.72

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Solution

The fourth proportional to 3,276.78, 4,522.01 and 1,784.72 is: 2,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.78 : 4,522.01 = 1,784.72 : x
  2. Step 2: Convert to fraction form
    3,276.78/4,522.01 = 1,784.72/x
  3. Step 3: Cross multiply
    3,276.78x = 4,522.01 × 1,784.72
  4. Step 4: Simplify right side
    3,276.78x = 8,070,537.57
  5. Step 5: Solve for x
    x = 8,070,537.57/3,276.78
  6. Step 6: Final answer
    x = 2,462.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.