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Finding the Fourth Proportional to 3,321.16, 4,585.16 and 2,952.08

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Solution

The fourth proportional to 3,321.16, 4,585.16 and 2,952.08 is: 4,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.16 : 4,585.16 = 2,952.08 : x
  2. Step 2: Convert to fraction form
    3,321.16/4,585.16 = 2,952.08/x
  3. Step 3: Cross multiply
    3,321.16x = 4,585.16 × 2,952.08
  4. Step 4: Simplify right side
    3,321.16x = 13,535,759.13
  5. Step 5: Solve for x
    x = 13,535,759.13/3,321.16
  6. Step 6: Final answer
    x = 4,075.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.