Home / 2,949.42-4,420.01-2,218.14

Finding the Fourth Proportional to 2,949.42, 4,420.01 and 2,218.14

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Solution

The fourth proportional to 2,949.42, 4,420.01 and 2,218.14 is: 3,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.42 : 4,420.01 = 2,218.14 : x
  2. Step 2: Convert to fraction form
    2,949.42/4,420.01 = 2,218.14/x
  3. Step 3: Cross multiply
    2,949.42x = 4,420.01 × 2,218.14
  4. Step 4: Simplify right side
    2,949.42x = 9,804,189.89
  5. Step 5: Solve for x
    x = 9,804,189.89/2,949.42
  6. Step 6: Final answer
    x = 3,324.11

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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.