Home / 2,654.62-3,981.45-1,193.51

Finding the Fourth Proportional to 2,654.62, 3,981.45 and 1,193.51

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Solution

The fourth proportional to 2,654.62, 3,981.45 and 1,193.51 is: 1,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.62 : 3,981.45 = 1,193.51 : x
  2. Step 2: Convert to fraction form
    2,654.62/3,981.45 = 1,193.51/x
  3. Step 3: Cross multiply
    2,654.62x = 3,981.45 × 1,193.51
  4. Step 4: Simplify right side
    2,654.62x = 4,751,900.39
  5. Step 5: Solve for x
    x = 4,751,900.39/2,654.62
  6. Step 6: Final answer
    x = 1,790.05

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1.5x scale

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.