Home / 2,241.36-3,357-1,085.04

Finding the Fourth Proportional to 2,241.36, 3,357 and 1,085.04

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Solution

The fourth proportional to 2,241.36, 3,357 and 1,085.04 is: 1,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.36 : 3,357 = 1,085.04 : x
  2. Step 2: Convert to fraction form
    2,241.36/3,357 = 1,085.04/x
  3. Step 3: Cross multiply
    2,241.36x = 3,357 × 1,085.04
  4. Step 4: Simplify right side
    2,241.36x = 3,642,479.28
  5. Step 5: Solve for x
    x = 3,642,479.28/2,241.36
  6. Step 6: Final answer
    x = 1,625.12

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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.