Home / 3,260.28-4,499.16-1,768.20

Finding the Fourth Proportional to 3,260.28, 4,499.16 and 1,768.20

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Solution

The fourth proportional to 3,260.28, 4,499.16 and 1,768.20 is: 2,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.28 : 4,499.16 = 1,768.20 : x
  2. Step 2: Convert to fraction form
    3,260.28/4,499.16 = 1,768.20/x
  3. Step 3: Cross multiply
    3,260.28x = 4,499.16 × 1,768.20
  4. Step 4: Simplify right side
    3,260.28x = 7,955,414.71
  5. Step 5: Solve for x
    x = 7,955,414.71/3,260.28
  6. Step 6: Final answer
    x = 2,440.10

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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.