Home / 3,946.96-5,921.16-1,973.62

Finding the Fourth Proportional to 3,946.96, 5,921.16 and 1,973.62

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Solution

The fourth proportional to 3,946.96, 5,921.16 and 1,973.62 is: 2,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.96 : 5,921.16 = 1,973.62 : x
  2. Step 2: Convert to fraction form
    3,946.96/5,921.16 = 1,973.62/x
  3. Step 3: Cross multiply
    3,946.96x = 5,921.16 × 1,973.62
  4. Step 4: Simplify right side
    3,946.96x = 11,686,119.80
  5. Step 5: Solve for x
    x = 11,686,119.80/3,946.96
  6. Step 6: Final answer
    x = 2,960.79

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Double scale
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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.