Home / 2,235.03-3,372.56-2,145.12

Finding the Fourth Proportional to 2,235.03, 3,372.56 and 2,145.12

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Solution

The fourth proportional to 2,235.03, 3,372.56 and 2,145.12 is: 3,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.03 : 3,372.56 = 2,145.12 : x
  2. Step 2: Convert to fraction form
    2,235.03/3,372.56 = 2,145.12/x
  3. Step 3: Cross multiply
    2,235.03x = 3,372.56 × 2,145.12
  4. Step 4: Simplify right side
    2,235.03x = 7,234,551.27
  5. Step 5: Solve for x
    x = 7,234,551.27/2,235.03
  6. Step 6: Final answer
    x = 3,236.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.