Home / 3,124.41-4,310.04-2,116.14

Finding the Fourth Proportional to 3,124.41, 4,310.04 and 2,116.14

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Solution

The fourth proportional to 3,124.41, 4,310.04 and 2,116.14 is: 2,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.41 : 4,310.04 = 2,116.14 : x
  2. Step 2: Convert to fraction form
    3,124.41/4,310.04 = 2,116.14/x
  3. Step 3: Cross multiply
    3,124.41x = 4,310.04 × 2,116.14
  4. Step 4: Simplify right side
    3,124.41x = 9,120,648.05
  5. Step 5: Solve for x
    x = 9,120,648.05/3,124.41
  6. Step 6: Final answer
    x = 2,919.16

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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.