Home / 3,018.28-4,165.68-1,759.54

Finding the Fourth Proportional to 3,018.28, 4,165.68 and 1,759.54

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Solution

The fourth proportional to 3,018.28, 4,165.68 and 1,759.54 is: 2,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.28 : 4,165.68 = 1,759.54 : x
  2. Step 2: Convert to fraction form
    3,018.28/4,165.68 = 1,759.54/x
  3. Step 3: Cross multiply
    3,018.28x = 4,165.68 × 1,759.54
  4. Step 4: Simplify right side
    3,018.28x = 7,329,680.59
  5. Step 5: Solve for x
    x = 7,329,680.59/3,018.28
  6. Step 6: Final answer
    x = 2,428.43

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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.