Home / 2,197.10-3,297.71-1,157.87

Finding the Fourth Proportional to 2,197.10, 3,297.71 and 1,157.87

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Solution

The fourth proportional to 2,197.10, 3,297.71 and 1,157.87 is: 1,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.10 : 3,297.71 = 1,157.87 : x
  2. Step 2: Convert to fraction form
    2,197.10/3,297.71 = 1,157.87/x
  3. Step 3: Cross multiply
    2,197.10x = 3,297.71 × 1,157.87
  4. Step 4: Simplify right side
    2,197.10x = 3,818,330.62
  5. Step 5: Solve for x
    x = 3,818,330.62/2,197.10
  6. Step 6: Final answer
    x = 1,737.89

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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.