Home / 3,718.98-5,577.84-1,122.12

Finding the Fourth Proportional to 3,718.98, 5,577.84 and 1,122.12

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Solution

The fourth proportional to 3,718.98, 5,577.84 and 1,122.12 is: 1,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.98 : 5,577.84 = 1,122.12 : x
  2. Step 2: Convert to fraction form
    3,718.98/5,577.84 = 1,122.12/x
  3. Step 3: Cross multiply
    3,718.98x = 5,577.84 × 1,122.12
  4. Step 4: Simplify right side
    3,718.98x = 6,259,005.82
  5. Step 5: Solve for x
    x = 6,259,005.82/3,718.98
  6. Step 6: Final answer
    x = 1,682.99

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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.