Home / 3,945.18-5,444.44-2,266.86

Finding the Fourth Proportional to 3,945.18, 5,444.44 and 2,266.86

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Solution

The fourth proportional to 3,945.18, 5,444.44 and 2,266.86 is: 3,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.18 : 5,444.44 = 2,266.86 : x
  2. Step 2: Convert to fraction form
    3,945.18/5,444.44 = 2,266.86/x
  3. Step 3: Cross multiply
    3,945.18x = 5,444.44 × 2,266.86
  4. Step 4: Simplify right side
    3,945.18x = 12,341,783.26
  5. Step 5: Solve for x
    x = 12,341,783.26/3,945.18
  6. Step 6: Final answer
    x = 3,128.32

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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.