Home / 3,140.89-4,336.68-2,359.24

Finding the Fourth Proportional to 3,140.89, 4,336.68 and 2,359.24

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Solution

The fourth proportional to 3,140.89, 4,336.68 and 2,359.24 is: 3,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.89 : 4,336.68 = 2,359.24 : x
  2. Step 2: Convert to fraction form
    3,140.89/4,336.68 = 2,359.24/x
  3. Step 3: Cross multiply
    3,140.89x = 4,336.68 × 2,359.24
  4. Step 4: Simplify right side
    3,140.89x = 10,231,268.92
  5. Step 5: Solve for x
    x = 10,231,268.92/3,140.89
  6. Step 6: Final answer
    x = 3,257.44

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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.