Home / 3,631.84-5,011.74-2,139.41

Finding the Fourth Proportional to 3,631.84, 5,011.74 and 2,139.41

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Solution

The fourth proportional to 3,631.84, 5,011.74 and 2,139.41 is: 2,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.84 : 5,011.74 = 2,139.41 : x
  2. Step 2: Convert to fraction form
    3,631.84/5,011.74 = 2,139.41/x
  3. Step 3: Cross multiply
    3,631.84x = 5,011.74 × 2,139.41
  4. Step 4: Simplify right side
    3,631.84x = 10,722,166.67
  5. Step 5: Solve for x
    x = 10,722,166.67/3,631.84
  6. Step 6: Final answer
    x = 2,952.27

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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.