Home / 4,288.32-5,915.43-2,519.55

Finding the Fourth Proportional to 4,288.32, 5,915.43 and 2,519.55

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Solution

The fourth proportional to 4,288.32, 5,915.43 and 2,519.55 is: 3,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.32 : 5,915.43 = 2,519.55 : x
  2. Step 2: Convert to fraction form
    4,288.32/5,915.43 = 2,519.55/x
  3. Step 3: Cross multiply
    4,288.32x = 5,915.43 × 2,519.55
  4. Step 4: Simplify right side
    4,288.32x = 14,904,221.66
  5. Step 5: Solve for x
    x = 14,904,221.66/4,288.32
  6. Step 6: Final answer
    x = 3,475.54

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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.