Home / 3,931.16-5,899.70-2,082.69

Finding the Fourth Proportional to 3,931.16, 5,899.70 and 2,082.69

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Solution

The fourth proportional to 3,931.16, 5,899.70 and 2,082.69 is: 3,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.16 : 5,899.70 = 2,082.69 : x
  2. Step 2: Convert to fraction form
    3,931.16/5,899.70 = 2,082.69/x
  3. Step 3: Cross multiply
    3,931.16x = 5,899.70 × 2,082.69
  4. Step 4: Simplify right side
    3,931.16x = 12,287,234.81
  5. Step 5: Solve for x
    x = 12,287,234.81/3,931.16
  6. Step 6: Final answer
    x = 3,125.60

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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.