Home / 4,191.81-6,282.25-1,728.48

Finding the Fourth Proportional to 4,191.81, 6,282.25 and 1,728.48

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Solution

The fourth proportional to 4,191.81, 6,282.25 and 1,728.48 is: 2,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.81 : 6,282.25 = 1,728.48 : x
  2. Step 2: Convert to fraction form
    4,191.81/6,282.25 = 1,728.48/x
  3. Step 3: Cross multiply
    4,191.81x = 6,282.25 × 1,728.48
  4. Step 4: Simplify right side
    4,191.81x = 10,858,743.48
  5. Step 5: Solve for x
    x = 10,858,743.48/4,191.81
  6. Step 6: Final answer
    x = 2,590.47

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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.