Home / 3,939.04-5,904.12-1,747.48

Finding the Fourth Proportional to 3,939.04, 5,904.12 and 1,747.48

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Solution

The fourth proportional to 3,939.04, 5,904.12 and 1,747.48 is: 2,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.04 : 5,904.12 = 1,747.48 : x
  2. Step 2: Convert to fraction form
    3,939.04/5,904.12 = 1,747.48/x
  3. Step 3: Cross multiply
    3,939.04x = 5,904.12 × 1,747.48
  4. Step 4: Simplify right side
    3,939.04x = 10,317,331.62
  5. Step 5: Solve for x
    x = 10,317,331.62/3,939.04
  6. Step 6: Final answer
    x = 2,619.25

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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.