Home / 3,277.50-4,915.76-1,085.94

Finding the Fourth Proportional to 3,277.50, 4,915.76 and 1,085.94

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Solution

The fourth proportional to 3,277.50, 4,915.76 and 1,085.94 is: 1,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.50 : 4,915.76 = 1,085.94 : x
  2. Step 2: Convert to fraction form
    3,277.50/4,915.76 = 1,085.94/x
  3. Step 3: Cross multiply
    3,277.50x = 4,915.76 × 1,085.94
  4. Step 4: Simplify right side
    3,277.50x = 5,338,214.98
  5. Step 5: Solve for x
    x = 5,338,214.98/3,277.50
  6. Step 6: Final answer
    x = 1,628.75

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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.