Home / 2,831.13-3,906.96-1,589.13

Finding the Fourth Proportional to 2,831.13, 3,906.96 and 1,589.13

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Solution

The fourth proportional to 2,831.13, 3,906.96 and 1,589.13 is: 2,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.13 : 3,906.96 = 1,589.13 : x
  2. Step 2: Convert to fraction form
    2,831.13/3,906.96 = 1,589.13/x
  3. Step 3: Cross multiply
    2,831.13x = 3,906.96 × 1,589.13
  4. Step 4: Simplify right side
    2,831.13x = 6,208,667.34
  5. Step 5: Solve for x
    x = 6,208,667.34/2,831.13
  6. Step 6: Final answer
    x = 2,193.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.