Home / 4,081.96-6,122.80-1,160.28

Finding the Fourth Proportional to 4,081.96, 6,122.80 and 1,160.28

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Solution

The fourth proportional to 4,081.96, 6,122.80 and 1,160.28 is: 1,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.96 : 6,122.80 = 1,160.28 : x
  2. Step 2: Convert to fraction form
    4,081.96/6,122.80 = 1,160.28/x
  3. Step 3: Cross multiply
    4,081.96x = 6,122.80 × 1,160.28
  4. Step 4: Simplify right side
    4,081.96x = 7,104,162.38
  5. Step 5: Solve for x
    x = 7,104,162.38/4,081.96
  6. Step 6: Final answer
    x = 1,740.38

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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.