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Finding the Fourth Proportional to 2,011.69, 3,017.51 and 550.84

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Solution

The fourth proportional to 2,011.69, 3,017.51 and 550.84 is: 826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.69 : 3,017.51 = 550.84 : x
  2. Step 2: Convert to fraction form
    2,011.69/3,017.51 = 550.84/x
  3. Step 3: Cross multiply
    2,011.69x = 3,017.51 × 550.84
  4. Step 4: Simplify right side
    2,011.69x = 1,662,165.21
  5. Step 5: Solve for x
    x = 1,662,165.21/2,011.69
  6. Step 6: Final answer
    x = 826.25

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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.