Home / 2,711.97-3,742.68-1,533.15

Finding the Fourth Proportional to 2,711.97, 3,742.68 and 1,533.15

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Solution

The fourth proportional to 2,711.97, 3,742.68 and 1,533.15 is: 2,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.97 : 3,742.68 = 1,533.15 : x
  2. Step 2: Convert to fraction form
    2,711.97/3,742.68 = 1,533.15/x
  3. Step 3: Cross multiply
    2,711.97x = 3,742.68 × 1,533.15
  4. Step 4: Simplify right side
    2,711.97x = 5,738,089.84
  5. Step 5: Solve for x
    x = 5,738,089.84/2,711.97
  6. Step 6: Final answer
    x = 2,115.84

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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.