Home / 3,260.66-4,497.46-2,720.79

Finding the Fourth Proportional to 3,260.66, 4,497.46 and 2,720.79

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Solution

The fourth proportional to 3,260.66, 4,497.46 and 2,720.79 is: 3,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.66 : 4,497.46 = 2,720.79 : x
  2. Step 2: Convert to fraction form
    3,260.66/4,497.46 = 2,720.79/x
  3. Step 3: Cross multiply
    3,260.66x = 4,497.46 × 2,720.79
  4. Step 4: Simplify right side
    3,260.66x = 12,236,637.39
  5. Step 5: Solve for x
    x = 12,236,637.39/3,260.66
  6. Step 6: Final answer
    x = 3,752.82

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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.