Home / 3,277.72-4,915.51-1,085.90

Finding the Fourth Proportional to 3,277.72, 4,915.51 and 1,085.90

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Solution

The fourth proportional to 3,277.72, 4,915.51 and 1,085.90 is: 1,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.72 : 4,915.51 = 1,085.90 : x
  2. Step 2: Convert to fraction form
    3,277.72/4,915.51 = 1,085.90/x
  3. Step 3: Cross multiply
    3,277.72x = 4,915.51 × 1,085.90
  4. Step 4: Simplify right side
    3,277.72x = 5,337,752.31
  5. Step 5: Solve for x
    x = 5,337,752.31/3,277.72
  6. Step 6: Final answer
    x = 1,628.50

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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.