Home / 2,998.33-4,130.94-2,211.01

Finding the Fourth Proportional to 2,998.33, 4,130.94 and 2,211.01

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Solution

The fourth proportional to 2,998.33, 4,130.94 and 2,211.01 is: 3,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.33 : 4,130.94 = 2,211.01 : x
  2. Step 2: Convert to fraction form
    2,998.33/4,130.94 = 2,211.01/x
  3. Step 3: Cross multiply
    2,998.33x = 4,130.94 × 2,211.01
  4. Step 4: Simplify right side
    2,998.33x = 9,133,549.65
  5. Step 5: Solve for x
    x = 9,133,549.65/2,998.33
  6. Step 6: Final answer
    x = 3,046.21

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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.