Home / 2,831.72-4,242.99-1,732.75

Finding the Fourth Proportional to 2,831.72, 4,242.99 and 1,732.75

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Solution

The fourth proportional to 2,831.72, 4,242.99 and 1,732.75 is: 2,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.72 : 4,242.99 = 1,732.75 : x
  2. Step 2: Convert to fraction form
    2,831.72/4,242.99 = 1,732.75/x
  3. Step 3: Cross multiply
    2,831.72x = 4,242.99 × 1,732.75
  4. Step 4: Simplify right side
    2,831.72x = 7,352,030.32
  5. Step 5: Solve for x
    x = 7,352,030.32/2,831.72
  6. Step 6: Final answer
    x = 2,596.32

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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.