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Finding the Fourth Proportional to 1,804.70, 2,707.04 and 506.16

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Solution

The fourth proportional to 1,804.70, 2,707.04 and 506.16 is: 759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.70 : 2,707.04 = 506.16 : x
  2. Step 2: Convert to fraction form
    1,804.70/2,707.04 = 506.16/x
  3. Step 3: Cross multiply
    1,804.70x = 2,707.04 × 506.16
  4. Step 4: Simplify right side
    1,804.70x = 1,370,195.37
  5. Step 5: Solve for x
    x = 1,370,195.37/1,804.70
  6. Step 6: Final answer
    x = 759.24

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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.