Home / 3,578.55-4,938.45-2,162.04

Finding the Fourth Proportional to 3,578.55, 4,938.45 and 2,162.04

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Solution

The fourth proportional to 3,578.55, 4,938.45 and 2,162.04 is: 2,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.55 : 4,938.45 = 2,162.04 : x
  2. Step 2: Convert to fraction form
    3,578.55/4,938.45 = 2,162.04/x
  3. Step 3: Cross multiply
    3,578.55x = 4,938.45 × 2,162.04
  4. Step 4: Simplify right side
    3,578.55x = 10,677,103.28
  5. Step 5: Solve for x
    x = 10,677,103.28/3,578.55
  6. Step 6: Final answer
    x = 2,983.64

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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.