Home / 2,212.13-3,318.18-568.67

Finding the Fourth Proportional to 2,212.13, 3,318.18 and 568.67

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Solution

The fourth proportional to 2,212.13, 3,318.18 and 568.67 is: 853.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.13 : 3,318.18 = 568.67 : x
  2. Step 2: Convert to fraction form
    2,212.13/3,318.18 = 568.67/x
  3. Step 3: Cross multiply
    2,212.13x = 3,318.18 × 568.67
  4. Step 4: Simplify right side
    2,212.13x = 1,886,932.83
  5. Step 5: Solve for x
    x = 1,886,932.83/2,212.13
  6. Step 6: Final answer
    x = 853.00

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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.