Home / 3,247.42-4,871.13-1,491.26

Finding the Fourth Proportional to 3,247.42, 4,871.13 and 1,491.26

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Solution

The fourth proportional to 3,247.42, 4,871.13 and 1,491.26 is: 2,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.42 : 4,871.13 = 1,491.26 : x
  2. Step 2: Convert to fraction form
    3,247.42/4,871.13 = 1,491.26/x
  3. Step 3: Cross multiply
    3,247.42x = 4,871.13 × 1,491.26
  4. Step 4: Simplify right side
    3,247.42x = 7,264,121.32
  5. Step 5: Solve for x
    x = 7,264,121.32/3,247.42
  6. Step 6: Final answer
    x = 2,236.89

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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.