Home / 3,670.30-5,506.26-2,111.05

Finding the Fourth Proportional to 3,670.30, 5,506.26 and 2,111.05

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Solution

The fourth proportional to 3,670.30, 5,506.26 and 2,111.05 is: 3,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.30 : 5,506.26 = 2,111.05 : x
  2. Step 2: Convert to fraction form
    3,670.30/5,506.26 = 2,111.05/x
  3. Step 3: Cross multiply
    3,670.30x = 5,506.26 × 2,111.05
  4. Step 4: Simplify right side
    3,670.30x = 11,623,990.17
  5. Step 5: Solve for x
    x = 11,623,990.17/3,670.30
  6. Step 6: Final answer
    x = 3,167.04

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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.