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Finding the Fourth Proportional to 2,061.11, 3,091.67 and 501.11

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Solution

The fourth proportional to 2,061.11, 3,091.67 and 501.11 is: 751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061.11 : 3,091.67 = 501.11 : x
  2. Step 2: Convert to fraction form
    2,061.11/3,091.67 = 501.11/x
  3. Step 3: Cross multiply
    2,061.11x = 3,091.67 × 501.11
  4. Step 4: Simplify right side
    2,061.11x = 1,549,248.79
  5. Step 5: Solve for x
    x = 1,549,248.79/2,061.11
  6. Step 6: Final answer
    x = 751.66

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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.