Home / 2,345.97-3,516.93-1,112.75

Finding the Fourth Proportional to 2,345.97, 3,516.93 and 1,112.75

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Solution

The fourth proportional to 2,345.97, 3,516.93 and 1,112.75 is: 1,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.97 : 3,516.93 = 1,112.75 : x
  2. Step 2: Convert to fraction form
    2,345.97/3,516.93 = 1,112.75/x
  3. Step 3: Cross multiply
    2,345.97x = 3,516.93 × 1,112.75
  4. Step 4: Simplify right side
    2,345.97x = 3,913,463.86
  5. Step 5: Solve for x
    x = 3,913,463.86/2,345.97
  6. Step 6: Final answer
    x = 1,668.16

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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.