Home / 2,768.68-4,132.76-2,440.63

Finding the Fourth Proportional to 2,768.68, 4,132.76 and 2,440.63

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Solution

The fourth proportional to 2,768.68, 4,132.76 and 2,440.63 is: 3,643.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.68 : 4,132.76 = 2,440.63 : x
  2. Step 2: Convert to fraction form
    2,768.68/4,132.76 = 2,440.63/x
  3. Step 3: Cross multiply
    2,768.68x = 4,132.76 × 2,440.63
  4. Step 4: Simplify right side
    2,768.68x = 10,086,538.04
  5. Step 5: Solve for x
    x = 10,086,538.04/2,768.68
  6. Step 6: Final answer
    x = 3,643.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.