Home / 3,142.87-4,337.03-1,884.63

Finding the Fourth Proportional to 3,142.87, 4,337.03 and 1,884.63

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Solution

The fourth proportional to 3,142.87, 4,337.03 and 1,884.63 is: 2,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.87 : 4,337.03 = 1,884.63 : x
  2. Step 2: Convert to fraction form
    3,142.87/4,337.03 = 1,884.63/x
  3. Step 3: Cross multiply
    3,142.87x = 4,337.03 × 1,884.63
  4. Step 4: Simplify right side
    3,142.87x = 8,173,687.43
  5. Step 5: Solve for x
    x = 8,173,687.43/3,142.87
  6. Step 6: Final answer
    x = 2,600.71

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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.