Home / 1,633.95-2,451.80-1,086.39

Finding the Fourth Proportional to 1,633.95, 2,451.80 and 1,086.39

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Solution

The fourth proportional to 1,633.95, 2,451.80 and 1,086.39 is: 1,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.95 : 2,451.80 = 1,086.39 : x
  2. Step 2: Convert to fraction form
    1,633.95/2,451.80 = 1,086.39/x
  3. Step 3: Cross multiply
    1,633.95x = 2,451.80 × 1,086.39
  4. Step 4: Simplify right side
    1,633.95x = 2,663,611.00
  5. Step 5: Solve for x
    x = 2,663,611.00/1,633.95
  6. Step 6: Final answer
    x = 1,630.17

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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.