Home / 2,162.93-3,247.64-2,087.33

Finding the Fourth Proportional to 2,162.93, 3,247.64 and 2,087.33

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Solution

The fourth proportional to 2,162.93, 3,247.64 and 2,087.33 is: 3,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.93 : 3,247.64 = 2,087.33 : x
  2. Step 2: Convert to fraction form
    2,162.93/3,247.64 = 2,087.33/x
  3. Step 3: Cross multiply
    2,162.93x = 3,247.64 × 2,087.33
  4. Step 4: Simplify right side
    2,162.93x = 6,778,885.96
  5. Step 5: Solve for x
    x = 6,778,885.96/2,162.93
  6. Step 6: Final answer
    x = 3,134.12

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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.