Home / 4,185.16-6,281.19-2,105.76

Finding the Fourth Proportional to 4,185.16, 6,281.19 and 2,105.76

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Solution

The fourth proportional to 4,185.16, 6,281.19 and 2,105.76 is: 3,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.16 : 6,281.19 = 2,105.76 : x
  2. Step 2: Convert to fraction form
    4,185.16/6,281.19 = 2,105.76/x
  3. Step 3: Cross multiply
    4,185.16x = 6,281.19 × 2,105.76
  4. Step 4: Simplify right side
    4,185.16x = 13,226,678.65
  5. Step 5: Solve for x
    x = 13,226,678.65/4,185.16
  6. Step 6: Final answer
    x = 3,160.38

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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.