Home / 2,202.35-3,036.98-1,538.96

Finding the Fourth Proportional to 2,202.35, 3,036.98 and 1,538.96

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Solution

The fourth proportional to 2,202.35, 3,036.98 and 1,538.96 is: 2,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.35 : 3,036.98 = 1,538.96 : x
  2. Step 2: Convert to fraction form
    2,202.35/3,036.98 = 1,538.96/x
  3. Step 3: Cross multiply
    2,202.35x = 3,036.98 × 1,538.96
  4. Step 4: Simplify right side
    2,202.35x = 4,673,783.05
  5. Step 5: Solve for x
    x = 4,673,783.05/2,202.35
  6. Step 6: Final answer
    x = 2,122.18

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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.