Home / 2,224.87-3,342.67-1,445.24

Finding the Fourth Proportional to 2,224.87, 3,342.67 and 1,445.24

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Solution

The fourth proportional to 2,224.87, 3,342.67 and 1,445.24 is: 2,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.87 : 3,342.67 = 1,445.24 : x
  2. Step 2: Convert to fraction form
    2,224.87/3,342.67 = 1,445.24/x
  3. Step 3: Cross multiply
    2,224.87x = 3,342.67 × 1,445.24
  4. Step 4: Simplify right side
    2,224.87x = 4,830,965.13
  5. Step 5: Solve for x
    x = 4,830,965.13/2,224.87
  6. Step 6: Final answer
    x = 2,171.35

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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.