Home / 2,262.25-3,122.09-1,330.93

Finding the Fourth Proportional to 2,262.25, 3,122.09 and 1,330.93

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Solution

The fourth proportional to 2,262.25, 3,122.09 and 1,330.93 is: 1,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.25 : 3,122.09 = 1,330.93 : x
  2. Step 2: Convert to fraction form
    2,262.25/3,122.09 = 1,330.93/x
  3. Step 3: Cross multiply
    2,262.25x = 3,122.09 × 1,330.93
  4. Step 4: Simplify right side
    2,262.25x = 4,155,283.24
  5. Step 5: Solve for x
    x = 4,155,283.24/2,262.25
  6. Step 6: Final answer
    x = 1,836.79

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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.