Home / 3,862.48-5,330.18-2,183.90

Finding the Fourth Proportional to 3,862.48, 5,330.18 and 2,183.90

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Solution

The fourth proportional to 3,862.48, 5,330.18 and 2,183.90 is: 3,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.48 : 5,330.18 = 2,183.90 : x
  2. Step 2: Convert to fraction form
    3,862.48/5,330.18 = 2,183.90/x
  3. Step 3: Cross multiply
    3,862.48x = 5,330.18 × 2,183.90
  4. Step 4: Simplify right side
    3,862.48x = 11,640,582.51
  5. Step 5: Solve for x
    x = 11,640,582.51/3,862.48
  6. Step 6: Final answer
    x = 3,013.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.