Home / 3,915.28-5,858.20-2,747.56

Finding the Fourth Proportional to 3,915.28, 5,858.20 and 2,747.56

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Solution

The fourth proportional to 3,915.28, 5,858.20 and 2,747.56 is: 4,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.28 : 5,858.20 = 2,747.56 : x
  2. Step 2: Convert to fraction form
    3,915.28/5,858.20 = 2,747.56/x
  3. Step 3: Cross multiply
    3,915.28x = 5,858.20 × 2,747.56
  4. Step 4: Simplify right side
    3,915.28x = 16,095,734.48
  5. Step 5: Solve for x
    x = 16,095,734.48/3,915.28
  6. Step 6: Final answer
    x = 4,111.01

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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.