Home / 3,109.13-4,639.73-2,562.38

Finding the Fourth Proportional to 3,109.13, 4,639.73 and 2,562.38

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Solution

The fourth proportional to 3,109.13, 4,639.73 and 2,562.38 is: 3,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.13 : 4,639.73 = 2,562.38 : x
  2. Step 2: Convert to fraction form
    3,109.13/4,639.73 = 2,562.38/x
  3. Step 3: Cross multiply
    3,109.13x = 4,639.73 × 2,562.38
  4. Step 4: Simplify right side
    3,109.13x = 11,888,773.26
  5. Step 5: Solve for x
    x = 11,888,773.26/3,109.13
  6. Step 6: Final answer
    x = 3,823.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.