Home / 2,311.12-3,462.12-2,176.26

Finding the Fourth Proportional to 2,311.12, 3,462.12 and 2,176.26

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Solution

The fourth proportional to 2,311.12, 3,462.12 and 2,176.26 is: 3,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.12 : 3,462.12 = 2,176.26 : x
  2. Step 2: Convert to fraction form
    2,311.12/3,462.12 = 2,176.26/x
  3. Step 3: Cross multiply
    2,311.12x = 3,462.12 × 2,176.26
  4. Step 4: Simplify right side
    2,311.12x = 7,534,473.27
  5. Step 5: Solve for x
    x = 7,534,473.27/2,311.12
  6. Step 6: Final answer
    x = 3,260.10

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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.