Home / 3,419.40-4,717.98-2,022.24

Finding the Fourth Proportional to 3,419.40, 4,717.98 and 2,022.24

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Solution

The fourth proportional to 3,419.40, 4,717.98 and 2,022.24 is: 2,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.40 : 4,717.98 = 2,022.24 : x
  2. Step 2: Convert to fraction form
    3,419.40/4,717.98 = 2,022.24/x
  3. Step 3: Cross multiply
    3,419.40x = 4,717.98 × 2,022.24
  4. Step 4: Simplify right side
    3,419.40x = 9,540,887.88
  5. Step 5: Solve for x
    x = 9,540,887.88/3,419.40
  6. Step 6: Final answer
    x = 2,790.22

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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.