Home / 2,311.16-3,467.76-1,215.26

Finding the Fourth Proportional to 2,311.16, 3,467.76 and 1,215.26

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Solution

The fourth proportional to 2,311.16, 3,467.76 and 1,215.26 is: 1,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.16 : 3,467.76 = 1,215.26 : x
  2. Step 2: Convert to fraction form
    2,311.16/3,467.76 = 1,215.26/x
  3. Step 3: Cross multiply
    2,311.16x = 3,467.76 × 1,215.26
  4. Step 4: Simplify right side
    2,311.16x = 4,214,230.02
  5. Step 5: Solve for x
    x = 4,214,230.02/2,311.16
  6. Step 6: Final answer
    x = 1,823.43

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1.5x scale

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.