Home / 3,887.40-5,831.10-2,242.86

Finding the Fourth Proportional to 3,887.40, 5,831.10 and 2,242.86

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Solution

The fourth proportional to 3,887.40, 5,831.10 and 2,242.86 is: 3,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.40 : 5,831.10 = 2,242.86 : x
  2. Step 2: Convert to fraction form
    3,887.40/5,831.10 = 2,242.86/x
  3. Step 3: Cross multiply
    3,887.40x = 5,831.10 × 2,242.86
  4. Step 4: Simplify right side
    3,887.40x = 13,078,340.95
  5. Step 5: Solve for x
    x = 13,078,340.95/3,887.40
  6. Step 6: Final answer
    x = 3,364.29

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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.