Home / 2,282.11-3,423.10-722.05

Finding the Fourth Proportional to 2,282.11, 3,423.10 and 722.05

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Solution

The fourth proportional to 2,282.11, 3,423.10 and 722.05 is: 1,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.11 : 3,423.10 = 722.05 : x
  2. Step 2: Convert to fraction form
    2,282.11/3,423.10 = 722.05/x
  3. Step 3: Cross multiply
    2,282.11x = 3,423.10 × 722.05
  4. Step 4: Simplify right side
    2,282.11x = 2,471,649.36
  5. Step 5: Solve for x
    x = 2,471,649.36/2,282.11
  6. Step 6: Final answer
    x = 1,083.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.