Home / 3,277.90-4,915.18-1,085.84

Finding the Fourth Proportional to 3,277.90, 4,915.18 and 1,085.84

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Solution

The fourth proportional to 3,277.90, 4,915.18 and 1,085.84 is: 1,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.90 : 4,915.18 = 1,085.84 : x
  2. Step 2: Convert to fraction form
    3,277.90/4,915.18 = 1,085.84/x
  3. Step 3: Cross multiply
    3,277.90x = 4,915.18 × 1,085.84
  4. Step 4: Simplify right side
    3,277.90x = 5,337,099.05
  5. Step 5: Solve for x
    x = 5,337,099.05/3,277.90
  6. Step 6: Final answer
    x = 1,628.21

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1.5x scale

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.