Home / 2,281.84-3,147.92-1,809.92

Finding the Fourth Proportional to 2,281.84, 3,147.92 and 1,809.92

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Solution

The fourth proportional to 2,281.84, 3,147.92 and 1,809.92 is: 2,496.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.84 : 3,147.92 = 1,809.92 : x
  2. Step 2: Convert to fraction form
    2,281.84/3,147.92 = 1,809.92/x
  3. Step 3: Cross multiply
    2,281.84x = 3,147.92 × 1,809.92
  4. Step 4: Simplify right side
    2,281.84x = 5,697,483.37
  5. Step 5: Solve for x
    x = 5,697,483.37/2,281.84
  6. Step 6: Final answer
    x = 2,496.88

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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.