Home / 3,100.32-4,641.52-2,416.80

Finding the Fourth Proportional to 3,100.32, 4,641.52 and 2,416.80

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Solution

The fourth proportional to 3,100.32, 4,641.52 and 2,416.80 is: 3,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.32 : 4,641.52 = 2,416.80 : x
  2. Step 2: Convert to fraction form
    3,100.32/4,641.52 = 2,416.80/x
  3. Step 3: Cross multiply
    3,100.32x = 4,641.52 × 2,416.80
  4. Step 4: Simplify right side
    3,100.32x = 11,217,625.54
  5. Step 5: Solve for x
    x = 11,217,625.54/3,100.32
  6. Step 6: Final answer
    x = 3,618.22

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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.