Home / 3,904.83-5,857.06-1,439.49

Finding the Fourth Proportional to 3,904.83, 5,857.06 and 1,439.49

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Solution

The fourth proportional to 3,904.83, 5,857.06 and 1,439.49 is: 2,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.83 : 5,857.06 = 1,439.49 : x
  2. Step 2: Convert to fraction form
    3,904.83/5,857.06 = 1,439.49/x
  3. Step 3: Cross multiply
    3,904.83x = 5,857.06 × 1,439.49
  4. Step 4: Simplify right side
    3,904.83x = 8,431,179.30
  5. Step 5: Solve for x
    x = 8,431,179.30/3,904.83
  6. Step 6: Final answer
    x = 2,159.17

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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.