Home / 2,615.14-3,918.66-2,065.96

Finding the Fourth Proportional to 2,615.14, 3,918.66 and 2,065.96

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Solution

The fourth proportional to 2,615.14, 3,918.66 and 2,065.96 is: 3,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.14 : 3,918.66 = 2,065.96 : x
  2. Step 2: Convert to fraction form
    2,615.14/3,918.66 = 2,065.96/x
  3. Step 3: Cross multiply
    2,615.14x = 3,918.66 × 2,065.96
  4. Step 4: Simplify right side
    2,615.14x = 8,095,794.81
  5. Step 5: Solve for x
    x = 8,095,794.81/2,615.14
  6. Step 6: Final answer
    x = 3,095.74

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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.