Home / 2,711.40-3,742.36-1,718.04

Finding the Fourth Proportional to 2,711.40, 3,742.36 and 1,718.04

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Solution

The fourth proportional to 2,711.40, 3,742.36 and 1,718.04 is: 2,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.40 : 3,742.36 = 1,718.04 : x
  2. Step 2: Convert to fraction form
    2,711.40/3,742.36 = 1,718.04/x
  3. Step 3: Cross multiply
    2,711.40x = 3,742.36 × 1,718.04
  4. Step 4: Simplify right side
    2,711.40x = 6,429,524.17
  5. Step 5: Solve for x
    x = 6,429,524.17/2,711.40
  6. Step 6: Final answer
    x = 2,371.29

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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.