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Finding the Fourth Proportional to 2,011.19, 3,016.70 and 550.34

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Solution

The fourth proportional to 2,011.19, 3,016.70 and 550.34 is: 825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.19 : 3,016.70 = 550.34 : x
  2. Step 2: Convert to fraction form
    2,011.19/3,016.70 = 550.34/x
  3. Step 3: Cross multiply
    2,011.19x = 3,016.70 × 550.34
  4. Step 4: Simplify right side
    2,011.19x = 1,660,210.68
  5. Step 5: Solve for x
    x = 1,660,210.68/2,011.19
  6. Step 6: Final answer
    x = 825.49

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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.