Home / 4,087.10-5,644.80-2,758.50

Finding the Fourth Proportional to 4,087.10, 5,644.80 and 2,758.50

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Solution

The fourth proportional to 4,087.10, 5,644.80 and 2,758.50 is: 3,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.10 : 5,644.80 = 2,758.50 : x
  2. Step 2: Convert to fraction form
    4,087.10/5,644.80 = 2,758.50/x
  3. Step 3: Cross multiply
    4,087.10x = 5,644.80 × 2,758.50
  4. Step 4: Simplify right side
    4,087.10x = 15,571,180.80
  5. Step 5: Solve for x
    x = 15,571,180.80/4,087.10
  6. Step 6: Final answer
    x = 3,809.83

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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.