Home / 3,132.99-4,701.85-2,143.44

Finding the Fourth Proportional to 3,132.99, 4,701.85 and 2,143.44

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Solution

The fourth proportional to 3,132.99, 4,701.85 and 2,143.44 is: 3,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.99 : 4,701.85 = 2,143.44 : x
  2. Step 2: Convert to fraction form
    3,132.99/4,701.85 = 2,143.44/x
  3. Step 3: Cross multiply
    3,132.99x = 4,701.85 × 2,143.44
  4. Step 4: Simplify right side
    3,132.99x = 10,078,133.36
  5. Step 5: Solve for x
    x = 10,078,133.36/3,132.99
  6. Step 6: Final answer
    x = 3,216.78

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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.