Home / 1,805.58-2,705.94-1,316.34

Finding the Fourth Proportional to 1,805.58, 2,705.94 and 1,316.34

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Solution

The fourth proportional to 1,805.58, 2,705.94 and 1,316.34 is: 1,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.58 : 2,705.94 = 1,316.34 : x
  2. Step 2: Convert to fraction form
    1,805.58/2,705.94 = 1,316.34/x
  3. Step 3: Cross multiply
    1,805.58x = 2,705.94 × 1,316.34
  4. Step 4: Simplify right side
    1,805.58x = 3,561,937.06
  5. Step 5: Solve for x
    x = 3,561,937.06/1,805.58
  6. Step 6: Final answer
    x = 1,972.74

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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.