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Finding the Fourth Proportional to 3,365.65, 5,048.11 and 1,174.42

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Solution

The fourth proportional to 3,365.65, 5,048.11 and 1,174.42 is: 1,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.65 : 5,048.11 = 1,174.42 : x
  2. Step 2: Convert to fraction form
    3,365.65/5,048.11 = 1,174.42/x
  3. Step 3: Cross multiply
    3,365.65x = 5,048.11 × 1,174.42
  4. Step 4: Simplify right side
    3,365.65x = 5,928,590.19
  5. Step 5: Solve for x
    x = 5,928,590.19/3,365.65
  6. Step 6: Final answer
    x = 1,761.50

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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.