Home / 3,933.90-5,431.95-2,677.59

Finding the Fourth Proportional to 3,933.90, 5,431.95 and 2,677.59

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Solution

The fourth proportional to 3,933.90, 5,431.95 and 2,677.59 is: 3,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.90 : 5,431.95 = 2,677.59 : x
  2. Step 2: Convert to fraction form
    3,933.90/5,431.95 = 2,677.59/x
  3. Step 3: Cross multiply
    3,933.90x = 5,431.95 × 2,677.59
  4. Step 4: Simplify right side
    3,933.90x = 14,544,535.00
  5. Step 5: Solve for x
    x = 14,544,535.00/3,933.90
  6. Step 6: Final answer
    x = 3,697.23

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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.