Home / 3,259.28-4,491.78-2,760.32

Finding the Fourth Proportional to 3,259.28, 4,491.78 and 2,760.32

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Solution

The fourth proportional to 3,259.28, 4,491.78 and 2,760.32 is: 3,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.28 : 4,491.78 = 2,760.32 : x
  2. Step 2: Convert to fraction form
    3,259.28/4,491.78 = 2,760.32/x
  3. Step 3: Cross multiply
    3,259.28x = 4,491.78 × 2,760.32
  4. Step 4: Simplify right side
    3,259.28x = 12,398,750.17
  5. Step 5: Solve for x
    x = 12,398,750.17/3,259.28
  6. Step 6: Final answer
    x = 3,804.14

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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.