Home / 2,831.23-3,906.67-1,588.99

Finding the Fourth Proportional to 2,831.23, 3,906.67 and 1,588.99

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Solution

The fourth proportional to 2,831.23, 3,906.67 and 1,588.99 is: 2,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.23 : 3,906.67 = 1,588.99 : x
  2. Step 2: Convert to fraction form
    2,831.23/3,906.67 = 1,588.99/x
  3. Step 3: Cross multiply
    2,831.23x = 3,906.67 × 1,588.99
  4. Step 4: Simplify right side
    2,831.23x = 6,207,659.56
  5. Step 5: Solve for x
    x = 6,207,659.56/2,831.23
  6. Step 6: Final answer
    x = 2,192.57

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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.