Home / 2,267.42-3,398.60-1,113.98

Finding the Fourth Proportional to 2,267.42, 3,398.60 and 1,113.98

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Solution

The fourth proportional to 2,267.42, 3,398.60 and 1,113.98 is: 1,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.42 : 3,398.60 = 1,113.98 : x
  2. Step 2: Convert to fraction form
    2,267.42/3,398.60 = 1,113.98/x
  3. Step 3: Cross multiply
    2,267.42x = 3,398.60 × 1,113.98
  4. Step 4: Simplify right side
    2,267.42x = 3,785,972.43
  5. Step 5: Solve for x
    x = 3,785,972.43/2,267.42
  6. Step 6: Final answer
    x = 1,669.73

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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.