Home / 4,162.08-5,741.76-2,920.80

Finding the Fourth Proportional to 4,162.08, 5,741.76 and 2,920.80

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Solution

The fourth proportional to 4,162.08, 5,741.76 and 2,920.80 is: 4,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.08 : 5,741.76 = 2,920.80 : x
  2. Step 2: Convert to fraction form
    4,162.08/5,741.76 = 2,920.80/x
  3. Step 3: Cross multiply
    4,162.08x = 5,741.76 × 2,920.80
  4. Step 4: Simplify right side
    4,162.08x = 16,770,532.61
  5. Step 5: Solve for x
    x = 16,770,532.61/4,162.08
  6. Step 6: Final answer
    x = 4,029.36

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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.