Home / 3,946.25-5,915.23-2,560.55

Finding the Fourth Proportional to 3,946.25, 5,915.23 and 2,560.55

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Solution

The fourth proportional to 3,946.25, 5,915.23 and 2,560.55 is: 3,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.25 : 5,915.23 = 2,560.55 : x
  2. Step 2: Convert to fraction form
    3,946.25/5,915.23 = 2,560.55/x
  3. Step 3: Cross multiply
    3,946.25x = 5,915.23 × 2,560.55
  4. Step 4: Simplify right side
    3,946.25x = 15,146,206.20
  5. Step 5: Solve for x
    x = 15,146,206.20/3,946.25
  6. Step 6: Final answer
    x = 3,838.12

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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.