Home / 2,831.12-4,246.53-883.10

Finding the Fourth Proportional to 2,831.12, 4,246.53 and 883.10

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Solution

The fourth proportional to 2,831.12, 4,246.53 and 883.10 is: 1,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.12 : 4,246.53 = 883.10 : x
  2. Step 2: Convert to fraction form
    2,831.12/4,246.53 = 883.10/x
  3. Step 3: Cross multiply
    2,831.12x = 4,246.53 × 883.10
  4. Step 4: Simplify right side
    2,831.12x = 3,750,110.64
  5. Step 5: Solve for x
    x = 3,750,110.64/2,831.12
  6. Step 6: Final answer
    x = 1,324.60

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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.