Home / 2,082.69-3,125.45-1,157.67

Finding the Fourth Proportional to 2,082.69, 3,125.45 and 1,157.67

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Solution

The fourth proportional to 2,082.69, 3,125.45 and 1,157.67 is: 1,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.69 : 3,125.45 = 1,157.67 : x
  2. Step 2: Convert to fraction form
    2,082.69/3,125.45 = 1,157.67/x
  3. Step 3: Cross multiply
    2,082.69x = 3,125.45 × 1,157.67
  4. Step 4: Simplify right side
    2,082.69x = 3,618,233.91
  5. Step 5: Solve for x
    x = 3,618,233.91/2,082.69
  6. Step 6: Final answer
    x = 1,737.29

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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.