Home / 2,292.38-3,163.30-1,284.07

Finding the Fourth Proportional to 2,292.38, 3,163.30 and 1,284.07

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Solution

The fourth proportional to 2,292.38, 3,163.30 and 1,284.07 is: 1,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.38 : 3,163.30 = 1,284.07 : x
  2. Step 2: Convert to fraction form
    2,292.38/3,163.30 = 1,284.07/x
  3. Step 3: Cross multiply
    2,292.38x = 3,163.30 × 1,284.07
  4. Step 4: Simplify right side
    2,292.38x = 4,061,898.63
  5. Step 5: Solve for x
    x = 4,061,898.63/2,292.38
  6. Step 6: Final answer
    x = 1,771.91

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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.