Home / 3,661.25-5,050.91-2,877.58

Finding the Fourth Proportional to 3,661.25, 5,050.91 and 2,877.58

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Solution

The fourth proportional to 3,661.25, 5,050.91 and 2,877.58 is: 3,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.25 : 5,050.91 = 2,877.58 : x
  2. Step 2: Convert to fraction form
    3,661.25/5,050.91 = 2,877.58/x
  3. Step 3: Cross multiply
    3,661.25x = 5,050.91 × 2,877.58
  4. Step 4: Simplify right side
    3,661.25x = 14,534,392.16
  5. Step 5: Solve for x
    x = 14,534,392.16/3,661.25
  6. Step 6: Final answer
    x = 3,969.79

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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.