Home / 2,391.68-3,589.84-2,260.20

Finding the Fourth Proportional to 2,391.68, 3,589.84 and 2,260.20

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Solution

The fourth proportional to 2,391.68, 3,589.84 and 2,260.20 is: 3,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.68 : 3,589.84 = 2,260.20 : x
  2. Step 2: Convert to fraction form
    2,391.68/3,589.84 = 2,260.20/x
  3. Step 3: Cross multiply
    2,391.68x = 3,589.84 × 2,260.20
  4. Step 4: Simplify right side
    2,391.68x = 8,113,756.37
  5. Step 5: Solve for x
    x = 8,113,756.37/2,391.68
  6. Step 6: Final answer
    x = 3,392.49

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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.