Home / 2,917.16-4,358.66-2,815.08

Finding the Fourth Proportional to 2,917.16, 4,358.66 and 2,815.08

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Solution

The fourth proportional to 2,917.16, 4,358.66 and 2,815.08 is: 4,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.16 : 4,358.66 = 2,815.08 : x
  2. Step 2: Convert to fraction form
    2,917.16/4,358.66 = 2,815.08/x
  3. Step 3: Cross multiply
    2,917.16x = 4,358.66 × 2,815.08
  4. Step 4: Simplify right side
    2,917.16x = 12,269,976.59
  5. Step 5: Solve for x
    x = 12,269,976.59/2,917.16
  6. Step 6: Final answer
    x = 4,206.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.