Home / 3,822.84-5,724.54-2,520.36

Finding the Fourth Proportional to 3,822.84, 5,724.54 and 2,520.36

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Solution

The fourth proportional to 3,822.84, 5,724.54 and 2,520.36 is: 3,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.84 : 5,724.54 = 2,520.36 : x
  2. Step 2: Convert to fraction form
    3,822.84/5,724.54 = 2,520.36/x
  3. Step 3: Cross multiply
    3,822.84x = 5,724.54 × 2,520.36
  4. Step 4: Simplify right side
    3,822.84x = 14,427,901.63
  5. Step 5: Solve for x
    x = 14,427,901.63/3,822.84
  6. Step 6: Final answer
    x = 3,774.13

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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.