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Finding the Fourth Proportional to 1,806.16, 2,708.23 and 573.34

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Solution

The fourth proportional to 1,806.16, 2,708.23 and 573.34 is: 859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.16 : 2,708.23 = 573.34 : x
  2. Step 2: Convert to fraction form
    1,806.16/2,708.23 = 573.34/x
  3. Step 3: Cross multiply
    1,806.16x = 2,708.23 × 573.34
  4. Step 4: Simplify right side
    1,806.16x = 1,552,736.59
  5. Step 5: Solve for x
    x = 1,552,736.59/1,806.16
  6. Step 6: Final answer
    x = 859.69

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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.