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Finding the Fourth Proportional to 1,406.71, 2,110.06 and 366.71

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Solution

The fourth proportional to 1,406.71, 2,110.06 and 366.71 is: 550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.71 : 2,110.06 = 366.71 : x
  2. Step 2: Convert to fraction form
    1,406.71/2,110.06 = 366.71/x
  3. Step 3: Cross multiply
    1,406.71x = 2,110.06 × 366.71
  4. Step 4: Simplify right side
    1,406.71x = 773,772.65
  5. Step 5: Solve for x
    x = 773,772.65/1,406.71
  6. Step 6: Final answer
    x = 550.06

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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.