Home / 2,262.14-3,122.03-1,378.07

Finding the Fourth Proportional to 2,262.14, 3,122.03 and 1,378.07

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Solution

The fourth proportional to 2,262.14, 3,122.03 and 1,378.07 is: 1,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.14 : 3,122.03 = 1,378.07 : x
  2. Step 2: Convert to fraction form
    2,262.14/3,122.03 = 1,378.07/x
  3. Step 3: Cross multiply
    2,262.14x = 3,122.03 × 1,378.07
  4. Step 4: Simplify right side
    2,262.14x = 4,302,375.88
  5. Step 5: Solve for x
    x = 4,302,375.88/2,262.14
  6. Step 6: Final answer
    x = 1,901.91

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1.5x scale

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.