Home / 3,247.67-4,869.74-1,581.23

Finding the Fourth Proportional to 3,247.67, 4,869.74 and 1,581.23

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Solution

The fourth proportional to 3,247.67, 4,869.74 and 1,581.23 is: 2,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.67 : 4,869.74 = 1,581.23 : x
  2. Step 2: Convert to fraction form
    3,247.67/4,869.74 = 1,581.23/x
  3. Step 3: Cross multiply
    3,247.67x = 4,869.74 × 1,581.23
  4. Step 4: Simplify right side
    3,247.67x = 7,700,178.98
  5. Step 5: Solve for x
    x = 7,700,178.98/3,247.67
  6. Step 6: Final answer
    x = 2,370.99

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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.