Home / 2,711.55-3,743.56-1,717.68

Finding the Fourth Proportional to 2,711.55, 3,743.56 and 1,717.68

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Solution

The fourth proportional to 2,711.55, 3,743.56 and 1,717.68 is: 2,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.55 : 3,743.56 = 1,717.68 : x
  2. Step 2: Convert to fraction form
    2,711.55/3,743.56 = 1,717.68/x
  3. Step 3: Cross multiply
    2,711.55x = 3,743.56 × 1,717.68
  4. Step 4: Simplify right side
    2,711.55x = 6,430,238.14
  5. Step 5: Solve for x
    x = 6,430,238.14/2,711.55
  6. Step 6: Final answer
    x = 2,371.43

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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.