Home / 1,705.95-2,554.82-1,185.32

Finding the Fourth Proportional to 1,705.95, 2,554.82 and 1,185.32

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Solution

The fourth proportional to 1,705.95, 2,554.82 and 1,185.32 is: 1,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.95 : 2,554.82 = 1,185.32 : x
  2. Step 2: Convert to fraction form
    1,705.95/2,554.82 = 1,185.32/x
  3. Step 3: Cross multiply
    1,705.95x = 2,554.82 × 1,185.32
  4. Step 4: Simplify right side
    1,705.95x = 3,028,279.24
  5. Step 5: Solve for x
    x = 3,028,279.24/1,705.95
  6. Step 6: Final answer
    x = 1,775.13

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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.