Home / 2,163.18-3,248.01-2,087.58

Finding the Fourth Proportional to 2,163.18, 3,248.01 and 2,087.58

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Solution

The fourth proportional to 2,163.18, 3,248.01 and 2,087.58 is: 3,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.18 : 3,248.01 = 2,087.58 : x
  2. Step 2: Convert to fraction form
    2,163.18/3,248.01 = 2,087.58/x
  3. Step 3: Cross multiply
    2,163.18x = 3,248.01 × 2,087.58
  4. Step 4: Simplify right side
    2,163.18x = 6,780,480.72
  5. Step 5: Solve for x
    x = 6,780,480.72/2,163.18
  6. Step 6: Final answer
    x = 3,134.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.