Home / 2,222.12-3,332.87-662.36

Finding the Fourth Proportional to 2,222.12, 3,332.87 and 662.36

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Solution

The fourth proportional to 2,222.12, 3,332.87 and 662.36 is: 993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.12 : 3,332.87 = 662.36 : x
  2. Step 2: Convert to fraction form
    2,222.12/3,332.87 = 662.36/x
  3. Step 3: Cross multiply
    2,222.12x = 3,332.87 × 662.36
  4. Step 4: Simplify right side
    2,222.12x = 2,207,559.77
  5. Step 5: Solve for x
    x = 2,207,559.77/2,222.12
  6. Step 6: Final answer
    x = 993.45

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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.