Home / 3,320.81-4,581.54-1,994.25

Finding the Fourth Proportional to 3,320.81, 4,581.54 and 1,994.25

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Solution

The fourth proportional to 3,320.81, 4,581.54 and 1,994.25 is: 2,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.81 : 4,581.54 = 1,994.25 : x
  2. Step 2: Convert to fraction form
    3,320.81/4,581.54 = 1,994.25/x
  3. Step 3: Cross multiply
    3,320.81x = 4,581.54 × 1,994.25
  4. Step 4: Simplify right side
    3,320.81x = 9,136,736.15
  5. Step 5: Solve for x
    x = 9,136,736.15/3,320.81
  6. Step 6: Final answer
    x = 2,751.36

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.