Home / 3,372.08-4,650.72-2,831.63

Finding the Fourth Proportional to 3,372.08, 4,650.72 and 2,831.63

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Solution

The fourth proportional to 3,372.08, 4,650.72 and 2,831.63 is: 3,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.08 : 4,650.72 = 2,831.63 : x
  2. Step 2: Convert to fraction form
    3,372.08/4,650.72 = 2,831.63/x
  3. Step 3: Cross multiply
    3,372.08x = 4,650.72 × 2,831.63
  4. Step 4: Simplify right side
    3,372.08x = 13,169,118.27
  5. Step 5: Solve for x
    x = 13,169,118.27/3,372.08
  6. Step 6: Final answer
    x = 3,905.34

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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.