Home / 4,159.91-5,731.96-2,831.30

Finding the Fourth Proportional to 4,159.91, 5,731.96 and 2,831.30

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Solution

The fourth proportional to 4,159.91, 5,731.96 and 2,831.30 is: 3,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.91 : 5,731.96 = 2,831.30 : x
  2. Step 2: Convert to fraction form
    4,159.91/5,731.96 = 2,831.30/x
  3. Step 3: Cross multiply
    4,159.91x = 5,731.96 × 2,831.30
  4. Step 4: Simplify right side
    4,159.91x = 16,228,898.35
  5. Step 5: Solve for x
    x = 16,228,898.35/4,159.91
  6. Step 6: Final answer
    x = 3,901.26

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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.