Home / 3,946.50-5,919.75-1,349.64

Finding the Fourth Proportional to 3,946.50, 5,919.75 and 1,349.64

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Solution

The fourth proportional to 3,946.50, 5,919.75 and 1,349.64 is: 2,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.50 : 5,919.75 = 1,349.64 : x
  2. Step 2: Convert to fraction form
    3,946.50/5,919.75 = 1,349.64/x
  3. Step 3: Cross multiply
    3,946.50x = 5,919.75 × 1,349.64
  4. Step 4: Simplify right side
    3,946.50x = 7,989,531.39
  5. Step 5: Solve for x
    x = 7,989,531.39/3,946.50
  6. Step 6: Final answer
    x = 2,024.46

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Double scale
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Similar ratio
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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.