Home / 3,933.66-5,431.95-2,937.23

Finding the Fourth Proportional to 3,933.66, 5,431.95 and 2,937.23

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Solution

The fourth proportional to 3,933.66, 5,431.95 and 2,937.23 is: 4,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.66 : 5,431.95 = 2,937.23 : x
  2. Step 2: Convert to fraction form
    3,933.66/5,431.95 = 2,937.23/x
  3. Step 3: Cross multiply
    3,933.66x = 5,431.95 × 2,937.23
  4. Step 4: Simplify right side
    3,933.66x = 15,954,859.34
  5. Step 5: Solve for x
    x = 15,954,859.34/3,933.66
  6. Step 6: Final answer
    x = 4,055.98

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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.