Home / 4,287.44-5,915.40-2,631.44

Finding the Fourth Proportional to 4,287.44, 5,915.40 and 2,631.44

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Solution

The fourth proportional to 4,287.44, 5,915.40 and 2,631.44 is: 3,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.44 : 5,915.40 = 2,631.44 : x
  2. Step 2: Convert to fraction form
    4,287.44/5,915.40 = 2,631.44/x
  3. Step 3: Cross multiply
    4,287.44x = 5,915.40 × 2,631.44
  4. Step 4: Simplify right side
    4,287.44x = 15,566,020.18
  5. Step 5: Solve for x
    x = 15,566,020.18/4,287.44
  6. Step 6: Final answer
    x = 3,630.61

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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.