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Finding the Fourth Proportional to 3,889.33, 5,831.65 and 1,549.70

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Solution

The fourth proportional to 3,889.33, 5,831.65 and 1,549.70 is: 2,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.33 : 5,831.65 = 1,549.70 : x
  2. Step 2: Convert to fraction form
    3,889.33/5,831.65 = 1,549.70/x
  3. Step 3: Cross multiply
    3,889.33x = 5,831.65 × 1,549.70
  4. Step 4: Simplify right side
    3,889.33x = 9,037,308.01
  5. Step 5: Solve for x
    x = 9,037,308.01/3,889.33
  6. Step 6: Final answer
    x = 2,323.62

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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.