Home / 4,109.92-5,671.51-2,519.21

Finding the Fourth Proportional to 4,109.92, 5,671.51 and 2,519.21

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Solution

The fourth proportional to 4,109.92, 5,671.51 and 2,519.21 is: 3,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.92 : 5,671.51 = 2,519.21 : x
  2. Step 2: Convert to fraction form
    4,109.92/5,671.51 = 2,519.21/x
  3. Step 3: Cross multiply
    4,109.92x = 5,671.51 × 2,519.21
  4. Step 4: Simplify right side
    4,109.92x = 14,287,724.71
  5. Step 5: Solve for x
    x = 14,287,724.71/4,109.92
  6. Step 6: Final answer
    x = 3,476.40

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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.