Home / 3,276.65-4,915.66-1,085.55

Finding the Fourth Proportional to 3,276.65, 4,915.66 and 1,085.55

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Solution

The fourth proportional to 3,276.65, 4,915.66 and 1,085.55 is: 1,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.65 : 4,915.66 = 1,085.55 : x
  2. Step 2: Convert to fraction form
    3,276.65/4,915.66 = 1,085.55/x
  3. Step 3: Cross multiply
    3,276.65x = 4,915.66 × 1,085.55
  4. Step 4: Simplify right side
    3,276.65x = 5,336,192.00
  5. Step 5: Solve for x
    x = 5,336,192.00/3,276.65
  6. Step 6: Final answer
    x = 1,628.55

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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.