Home / 2,645.62-3,956.76-2,355.19

Finding the Fourth Proportional to 2,645.62, 3,956.76 and 2,355.19

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Solution

The fourth proportional to 2,645.62, 3,956.76 and 2,355.19 is: 3,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.62 : 3,956.76 = 2,355.19 : x
  2. Step 2: Convert to fraction form
    2,645.62/3,956.76 = 2,355.19/x
  3. Step 3: Cross multiply
    2,645.62x = 3,956.76 × 2,355.19
  4. Step 4: Simplify right side
    2,645.62x = 9,318,921.58
  5. Step 5: Solve for x
    x = 9,318,921.58/2,645.62
  6. Step 6: Final answer
    x = 3,522.40

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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.