Home / 4,081.79-6,122.67-1,159.72

Finding the Fourth Proportional to 4,081.79, 6,122.67 and 1,159.72

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Solution

The fourth proportional to 4,081.79, 6,122.67 and 1,159.72 is: 1,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.79 : 6,122.67 = 1,159.72 : x
  2. Step 2: Convert to fraction form
    4,081.79/6,122.67 = 1,159.72/x
  3. Step 3: Cross multiply
    4,081.79x = 6,122.67 × 1,159.72
  4. Step 4: Simplify right side
    4,081.79x = 7,100,582.85
  5. Step 5: Solve for x
    x = 7,100,582.85/4,081.79
  6. Step 6: Final answer
    x = 1,739.58

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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.