Home / 3,114.38-4,668.87-1,358.07

Finding the Fourth Proportional to 3,114.38, 4,668.87 and 1,358.07

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Solution

The fourth proportional to 3,114.38, 4,668.87 and 1,358.07 is: 2,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.38 : 4,668.87 = 1,358.07 : x
  2. Step 2: Convert to fraction form
    3,114.38/4,668.87 = 1,358.07/x
  3. Step 3: Cross multiply
    3,114.38x = 4,668.87 × 1,358.07
  4. Step 4: Simplify right side
    3,114.38x = 6,340,639.87
  5. Step 5: Solve for x
    x = 6,340,639.87/3,114.38
  6. Step 6: Final answer
    x = 2,035.92

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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.