Home / 2,283.40-3,151.14-1,339.86

Finding the Fourth Proportional to 2,283.40, 3,151.14 and 1,339.86

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Solution

The fourth proportional to 2,283.40, 3,151.14 and 1,339.86 is: 1,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.40 : 3,151.14 = 1,339.86 : x
  2. Step 2: Convert to fraction form
    2,283.40/3,151.14 = 1,339.86/x
  3. Step 3: Cross multiply
    2,283.40x = 3,151.14 × 1,339.86
  4. Step 4: Simplify right side
    2,283.40x = 4,222,086.44
  5. Step 5: Solve for x
    x = 4,222,086.44/2,283.40
  6. Step 6: Final answer
    x = 1,849.03

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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.