Home / 2,281.14-3,143.67-1,650.60

Finding the Fourth Proportional to 2,281.14, 3,143.67 and 1,650.60

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Solution

The fourth proportional to 2,281.14, 3,143.67 and 1,650.60 is: 2,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.14 : 3,143.67 = 1,650.60 : x
  2. Step 2: Convert to fraction form
    2,281.14/3,143.67 = 1,650.60/x
  3. Step 3: Cross multiply
    2,281.14x = 3,143.67 × 1,650.60
  4. Step 4: Simplify right side
    2,281.14x = 5,188,941.70
  5. Step 5: Solve for x
    x = 5,188,941.70/2,281.14
  6. Step 6: Final answer
    x = 2,274.71

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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.