Home / 2,479.06-3,717.76-1,162.40

Finding the Fourth Proportional to 2,479.06, 3,717.76 and 1,162.40

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Solution

The fourth proportional to 2,479.06, 3,717.76 and 1,162.40 is: 1,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.06 : 3,717.76 = 1,162.40 : x
  2. Step 2: Convert to fraction form
    2,479.06/3,717.76 = 1,162.40/x
  3. Step 3: Cross multiply
    2,479.06x = 3,717.76 × 1,162.40
  4. Step 4: Simplify right side
    2,479.06x = 4,321,524.22
  5. Step 5: Solve for x
    x = 4,321,524.22/2,479.06
  6. Step 6: Final answer
    x = 1,743.21

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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.