Home / 3,857.47-5,785.83-1,084.08

Finding the Fourth Proportional to 3,857.47, 5,785.83 and 1,084.08

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Solution

The fourth proportional to 3,857.47, 5,785.83 and 1,084.08 is: 1,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.47 : 5,785.83 = 1,084.08 : x
  2. Step 2: Convert to fraction form
    3,857.47/5,785.83 = 1,084.08/x
  3. Step 3: Cross multiply
    3,857.47x = 5,785.83 × 1,084.08
  4. Step 4: Simplify right side
    3,857.47x = 6,272,324.28
  5. Step 5: Solve for x
    x = 6,272,324.28/3,857.47
  6. Step 6: Final answer
    x = 1,626.02

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1.5x scale

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.