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Finding the Fourth Proportional to 2,014.85, 3,020.87 and 888.57

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Solution

The fourth proportional to 2,014.85, 3,020.87 and 888.57 is: 1,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.85 : 3,020.87 = 888.57 : x
  2. Step 2: Convert to fraction form
    2,014.85/3,020.87 = 888.57/x
  3. Step 3: Cross multiply
    2,014.85x = 3,020.87 × 888.57
  4. Step 4: Simplify right side
    2,014.85x = 2,684,256.68
  5. Step 5: Solve for x
    x = 2,684,256.68/2,014.85
  6. Step 6: Final answer
    x = 1,332.23

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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.