Home / 3,285.12-4,531.89-2,223.26

Finding the Fourth Proportional to 3,285.12, 4,531.89 and 2,223.26

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Solution

The fourth proportional to 3,285.12, 4,531.89 and 2,223.26 is: 3,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.12 : 4,531.89 = 2,223.26 : x
  2. Step 2: Convert to fraction form
    3,285.12/4,531.89 = 2,223.26/x
  3. Step 3: Cross multiply
    3,285.12x = 4,531.89 × 2,223.26
  4. Step 4: Simplify right side
    3,285.12x = 10,075,547.10
  5. Step 5: Solve for x
    x = 10,075,547.10/3,285.12
  6. Step 6: Final answer
    x = 3,067.03

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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.