Home / 2,901.96-4,001.40-2,202.12

Finding the Fourth Proportional to 2,901.96, 4,001.40 and 2,202.12

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Solution

The fourth proportional to 2,901.96, 4,001.40 and 2,202.12 is: 3,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.96 : 4,001.40 = 2,202.12 : x
  2. Step 2: Convert to fraction form
    2,901.96/4,001.40 = 2,202.12/x
  3. Step 3: Cross multiply
    2,901.96x = 4,001.40 × 2,202.12
  4. Step 4: Simplify right side
    2,901.96x = 8,811,562.97
  5. Step 5: Solve for x
    x = 8,811,562.97/2,901.96
  6. Step 6: Final answer
    x = 3,036.42

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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.