Home / 4,155.75-6,235.18-1,691.19

Finding the Fourth Proportional to 4,155.75, 6,235.18 and 1,691.19

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Solution

The fourth proportional to 4,155.75, 6,235.18 and 1,691.19 is: 2,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.75 : 6,235.18 = 1,691.19 : x
  2. Step 2: Convert to fraction form
    4,155.75/6,235.18 = 1,691.19/x
  3. Step 3: Cross multiply
    4,155.75x = 6,235.18 × 1,691.19
  4. Step 4: Simplify right side
    4,155.75x = 10,544,869.84
  5. Step 5: Solve for x
    x = 10,544,869.84/4,155.75
  6. Step 6: Final answer
    x = 2,537.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.