Home / 4,288.16-5,915.20-2,519.44

Finding the Fourth Proportional to 4,288.16, 5,915.20 and 2,519.44

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Solution

The fourth proportional to 4,288.16, 5,915.20 and 2,519.44 is: 3,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.16 : 5,915.20 = 2,519.44 : x
  2. Step 2: Convert to fraction form
    4,288.16/5,915.20 = 2,519.44/x
  3. Step 3: Cross multiply
    4,288.16x = 5,915.20 × 2,519.44
  4. Step 4: Simplify right side
    4,288.16x = 14,902,991.49
  5. Step 5: Solve for x
    x = 14,902,991.49/4,288.16
  6. Step 6: Final answer
    x = 3,475.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.