Home / 3,862.32-5,329.08-2,183.76

Finding the Fourth Proportional to 3,862.32, 5,329.08 and 2,183.76

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Solution

The fourth proportional to 3,862.32, 5,329.08 and 2,183.76 is: 3,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.32 : 5,329.08 = 2,183.76 : x
  2. Step 2: Convert to fraction form
    3,862.32/5,329.08 = 2,183.76/x
  3. Step 3: Cross multiply
    3,862.32x = 5,329.08 × 2,183.76
  4. Step 4: Simplify right side
    3,862.32x = 11,637,431.74
  5. Step 5: Solve for x
    x = 11,637,431.74/3,862.32
  6. Step 6: Final answer
    x = 3,013.07

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1.5x scale

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.