Home / 2,752.14-4,126.23-1,290.48

Finding the Fourth Proportional to 2,752.14, 4,126.23 and 1,290.48

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Solution

The fourth proportional to 2,752.14, 4,126.23 and 1,290.48 is: 1,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.14 : 4,126.23 = 1,290.48 : x
  2. Step 2: Convert to fraction form
    2,752.14/4,126.23 = 1,290.48/x
  3. Step 3: Cross multiply
    2,752.14x = 4,126.23 × 1,290.48
  4. Step 4: Simplify right side
    2,752.14x = 5,324,817.29
  5. Step 5: Solve for x
    x = 5,324,817.29/2,752.14
  6. Step 6: Final answer
    x = 1,934.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.