Home / 2,288.84-3,159.06-1,357.88

Finding the Fourth Proportional to 2,288.84, 3,159.06 and 1,357.88

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Solution

The fourth proportional to 2,288.84, 3,159.06 and 1,357.88 is: 1,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.84 : 3,159.06 = 1,357.88 : x
  2. Step 2: Convert to fraction form
    2,288.84/3,159.06 = 1,357.88/x
  3. Step 3: Cross multiply
    2,288.84x = 3,159.06 × 1,357.88
  4. Step 4: Simplify right side
    2,288.84x = 4,289,624.39
  5. Step 5: Solve for x
    x = 4,289,624.39/2,288.84
  6. Step 6: Final answer
    x = 1,874.15

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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.