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Finding the Fourth Proportional to 2,048.87, 3,073 and 750.34

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Solution

The fourth proportional to 2,048.87, 3,073 and 750.34 is: 1,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.87 : 3,073 = 750.34 : x
  2. Step 2: Convert to fraction form
    2,048.87/3,073 = 750.34/x
  3. Step 3: Cross multiply
    2,048.87x = 3,073 × 750.34
  4. Step 4: Simplify right side
    2,048.87x = 2,305,794.82
  5. Step 5: Solve for x
    x = 2,305,794.82/2,048.87
  6. Step 6: Final answer
    x = 1,125.40

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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.