Home / 3,690.12-5,530.32-2,045.82

Finding the Fourth Proportional to 3,690.12, 5,530.32 and 2,045.82

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Solution

The fourth proportional to 3,690.12, 5,530.32 and 2,045.82 is: 3,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.12 : 5,530.32 = 2,045.82 : x
  2. Step 2: Convert to fraction form
    3,690.12/5,530.32 = 2,045.82/x
  3. Step 3: Cross multiply
    3,690.12x = 5,530.32 × 2,045.82
  4. Step 4: Simplify right side
    3,690.12x = 11,314,039.26
  5. Step 5: Solve for x
    x = 11,314,039.26/3,690.12
  6. Step 6: Final answer
    x = 3,066.04

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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.