Home / 2,291.39-3,435.18-1,998.17

Finding the Fourth Proportional to 2,291.39, 3,435.18 and 1,998.17

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Solution

The fourth proportional to 2,291.39, 3,435.18 and 1,998.17 is: 2,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.39 : 3,435.18 = 1,998.17 : x
  2. Step 2: Convert to fraction form
    2,291.39/3,435.18 = 1,998.17/x
  3. Step 3: Cross multiply
    2,291.39x = 3,435.18 × 1,998.17
  4. Step 4: Simplify right side
    2,291.39x = 6,864,056.44
  5. Step 5: Solve for x
    x = 6,864,056.44/2,291.39
  6. Step 6: Final answer
    x = 2,995.59

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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.