Home / 3,591.46-5,388.66-1,946.08

Finding the Fourth Proportional to 3,591.46, 5,388.66 and 1,946.08

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Solution

The fourth proportional to 3,591.46, 5,388.66 and 1,946.08 is: 2,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.46 : 5,388.66 = 1,946.08 : x
  2. Step 2: Convert to fraction form
    3,591.46/5,388.66 = 1,946.08/x
  3. Step 3: Cross multiply
    3,591.46x = 5,388.66 × 1,946.08
  4. Step 4: Simplify right side
    3,591.46x = 10,486,763.45
  5. Step 5: Solve for x
    x = 10,486,763.45/3,591.46
  6. Step 6: Final answer
    x = 2,919.92

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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.