Home / 4,288.59-5,915.84-2,519.87

Finding the Fourth Proportional to 4,288.59, 5,915.84 and 2,519.87

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Solution

The fourth proportional to 4,288.59, 5,915.84 and 2,519.87 is: 3,475.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.59 : 5,915.84 = 2,519.87 : x
  2. Step 2: Convert to fraction form
    4,288.59/5,915.84 = 2,519.87/x
  3. Step 3: Cross multiply
    4,288.59x = 5,915.84 × 2,519.87
  4. Step 4: Simplify right side
    4,288.59x = 14,907,105.56
  5. Step 5: Solve for x
    x = 14,907,105.56/4,288.59
  6. Step 6: Final answer
    x = 3,475.99

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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.