Home / 3,877.07-5,350.48-2,385.86

Finding the Fourth Proportional to 3,877.07, 5,350.48 and 2,385.86

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Solution

The fourth proportional to 3,877.07, 5,350.48 and 2,385.86 is: 3,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.07 : 5,350.48 = 2,385.86 : x
  2. Step 2: Convert to fraction form
    3,877.07/5,350.48 = 2,385.86/x
  3. Step 3: Cross multiply
    3,877.07x = 5,350.48 × 2,385.86
  4. Step 4: Simplify right side
    3,877.07x = 12,765,509.18
  5. Step 5: Solve for x
    x = 12,765,509.18/3,877.07
  6. Step 6: Final answer
    x = 3,292.56

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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.