Home / 2,711.83-3,742.73-1,717.20

Finding the Fourth Proportional to 2,711.83, 3,742.73 and 1,717.20

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Solution

The fourth proportional to 2,711.83, 3,742.73 and 1,717.20 is: 2,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.83 : 3,742.73 = 1,717.20 : x
  2. Step 2: Convert to fraction form
    2,711.83/3,742.73 = 1,717.20/x
  3. Step 3: Cross multiply
    2,711.83x = 3,742.73 × 1,717.20
  4. Step 4: Simplify right side
    2,711.83x = 6,427,015.96
  5. Step 5: Solve for x
    x = 6,427,015.96/2,711.83
  6. Step 6: Final answer
    x = 2,369.99

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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.