Home / 3,591.08-4,955.42-2,019.40

Finding the Fourth Proportional to 3,591.08, 4,955.42 and 2,019.40

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Solution

The fourth proportional to 3,591.08, 4,955.42 and 2,019.40 is: 2,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.08 : 4,955.42 = 2,019.40 : x
  2. Step 2: Convert to fraction form
    3,591.08/4,955.42 = 2,019.40/x
  3. Step 3: Cross multiply
    3,591.08x = 4,955.42 × 2,019.40
  4. Step 4: Simplify right side
    3,591.08x = 10,006,975.15
  5. Step 5: Solve for x
    x = 10,006,975.15/3,591.08
  6. Step 6: Final answer
    x = 2,786.62

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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.