Home / 4,036.12-5,568.42-2,639.68

Finding the Fourth Proportional to 4,036.12, 5,568.42 and 2,639.68

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Solution

The fourth proportional to 4,036.12, 5,568.42 and 2,639.68 is: 3,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,036.12 : 5,568.42 = 2,639.68 : x
  2. Step 2: Convert to fraction form
    4,036.12/5,568.42 = 2,639.68/x
  3. Step 3: Cross multiply
    4,036.12x = 5,568.42 × 2,639.68
  4. Step 4: Simplify right side
    4,036.12x = 14,698,846.91
  5. Step 5: Solve for x
    x = 14,698,846.91/4,036.12
  6. Step 6: Final answer
    x = 3,641.83

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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.