Home / 3,143.28-4,337.24-1,816.73

Finding the Fourth Proportional to 3,143.28, 4,337.24 and 1,816.73

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Solution

The fourth proportional to 3,143.28, 4,337.24 and 1,816.73 is: 2,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.28 : 4,337.24 = 1,816.73 : x
  2. Step 2: Convert to fraction form
    3,143.28/4,337.24 = 1,816.73/x
  3. Step 3: Cross multiply
    3,143.28x = 4,337.24 × 1,816.73
  4. Step 4: Simplify right side
    3,143.28x = 7,879,594.03
  5. Step 5: Solve for x
    x = 7,879,594.03/3,143.28
  6. Step 6: Final answer
    x = 2,506.81

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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.