Home / 3,019.29-4,163.65-2,355.90

Finding the Fourth Proportional to 3,019.29, 4,163.65 and 2,355.90

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Solution

The fourth proportional to 3,019.29, 4,163.65 and 2,355.90 is: 3,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.29 : 4,163.65 = 2,355.90 : x
  2. Step 2: Convert to fraction form
    3,019.29/4,163.65 = 2,355.90/x
  3. Step 3: Cross multiply
    3,019.29x = 4,163.65 × 2,355.90
  4. Step 4: Simplify right side
    3,019.29x = 9,809,143.04
  5. Step 5: Solve for x
    x = 9,809,143.04/3,019.29
  6. Step 6: Final answer
    x = 3,248.82

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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.