Home / 4,087.60-5,644.07-3,141.90

Finding the Fourth Proportional to 4,087.60, 5,644.07 and 3,141.90

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Solution

The fourth proportional to 4,087.60, 5,644.07 and 3,141.90 is: 4,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.60 : 5,644.07 = 3,141.90 : x
  2. Step 2: Convert to fraction form
    4,087.60/5,644.07 = 3,141.90/x
  3. Step 3: Cross multiply
    4,087.60x = 5,644.07 × 3,141.90
  4. Step 4: Simplify right side
    4,087.60x = 17,733,099.61
  5. Step 5: Solve for x
    x = 17,733,099.61/4,087.60
  6. Step 6: Final answer
    x = 4,338.27

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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.