Home / 2,831.29-4,247.01-1,669.47

Finding the Fourth Proportional to 2,831.29, 4,247.01 and 1,669.47

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Solution

The fourth proportional to 2,831.29, 4,247.01 and 1,669.47 is: 2,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.29 : 4,247.01 = 1,669.47 : x
  2. Step 2: Convert to fraction form
    2,831.29/4,247.01 = 1,669.47/x
  3. Step 3: Cross multiply
    2,831.29x = 4,247.01 × 1,669.47
  4. Step 4: Simplify right side
    2,831.29x = 7,090,255.78
  5. Step 5: Solve for x
    x = 7,090,255.78/2,831.29
  6. Step 6: Final answer
    x = 2,504.25

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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.