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Finding the Fourth Proportional to 2,831.08, 4,246.30 and 883.24

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Solution

The fourth proportional to 2,831.08, 4,246.30 and 883.24 is: 1,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.08 : 4,246.30 = 883.24 : x
  2. Step 2: Convert to fraction form
    2,831.08/4,246.30 = 883.24/x
  3. Step 3: Cross multiply
    2,831.08x = 4,246.30 × 883.24
  4. Step 4: Simplify right side
    2,831.08x = 3,750,502.01
  5. Step 5: Solve for x
    x = 3,750,502.01/2,831.08
  6. Step 6: Final answer
    x = 1,324.76

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1.5x scale

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.