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Finding the Fourth Proportional to 1,806.33, 2,708.73 and 556.77

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Solution

The fourth proportional to 1,806.33, 2,708.73 and 556.77 is: 834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.33 : 2,708.73 = 556.77 : x
  2. Step 2: Convert to fraction form
    1,806.33/2,708.73 = 556.77/x
  3. Step 3: Cross multiply
    1,806.33x = 2,708.73 × 556.77
  4. Step 4: Simplify right side
    1,806.33x = 1,508,139.60
  5. Step 5: Solve for x
    x = 1,508,139.60/1,806.33
  6. Step 6: Final answer
    x = 834.92

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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.