Home / 2,787.24-3,844.08-1,724.52

Finding the Fourth Proportional to 2,787.24, 3,844.08 and 1,724.52

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Solution

The fourth proportional to 2,787.24, 3,844.08 and 1,724.52 is: 2,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.24 : 3,844.08 = 1,724.52 : x
  2. Step 2: Convert to fraction form
    2,787.24/3,844.08 = 1,724.52/x
  3. Step 3: Cross multiply
    2,787.24x = 3,844.08 × 1,724.52
  4. Step 4: Simplify right side
    2,787.24x = 6,629,192.84
  5. Step 5: Solve for x
    x = 6,629,192.84/2,787.24
  6. Step 6: Final answer
    x = 2,378.41

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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.