Home / 2,910.18-4,016.14-1,583.81

Finding the Fourth Proportional to 2,910.18, 4,016.14 and 1,583.81

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Solution

The fourth proportional to 2,910.18, 4,016.14 and 1,583.81 is: 2,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.18 : 4,016.14 = 1,583.81 : x
  2. Step 2: Convert to fraction form
    2,910.18/4,016.14 = 1,583.81/x
  3. Step 3: Cross multiply
    2,910.18x = 4,016.14 × 1,583.81
  4. Step 4: Simplify right side
    2,910.18x = 6,360,778.65
  5. Step 5: Solve for x
    x = 6,360,778.65/2,910.18
  6. Step 6: Final answer
    x = 2,185.70

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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.