Home / 3,670.23-5,506.17-1,821.81

Finding the Fourth Proportional to 3,670.23, 5,506.17 and 1,821.81

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Solution

The fourth proportional to 3,670.23, 5,506.17 and 1,821.81 is: 2,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.23 : 5,506.17 = 1,821.81 : x
  2. Step 2: Convert to fraction form
    3,670.23/5,506.17 = 1,821.81/x
  3. Step 3: Cross multiply
    3,670.23x = 5,506.17 × 1,821.81
  4. Step 4: Simplify right side
    3,670.23x = 10,031,195.57
  5. Step 5: Solve for x
    x = 10,031,195.57/3,670.23
  6. Step 6: Final answer
    x = 2,733.12

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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.