Home / 2,011.12-3,016.40-550.32

Finding the Fourth Proportional to 2,011.12, 3,016.40 and 550.32

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Solution

The fourth proportional to 2,011.12, 3,016.40 and 550.32 is: 825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.12 : 3,016.40 = 550.32 : x
  2. Step 2: Convert to fraction form
    2,011.12/3,016.40 = 550.32/x
  3. Step 3: Cross multiply
    2,011.12x = 3,016.40 × 550.32
  4. Step 4: Simplify right side
    2,011.12x = 1,659,985.25
  5. Step 5: Solve for x
    x = 1,659,985.25/2,011.12
  6. Step 6: Final answer
    x = 825.40

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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.