Home / 3,934.21-5,435.18-2,937.77

Finding the Fourth Proportional to 3,934.21, 5,435.18 and 2,937.77

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Solution

The fourth proportional to 3,934.21, 5,435.18 and 2,937.77 is: 4,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.21 : 5,435.18 = 2,937.77 : x
  2. Step 2: Convert to fraction form
    3,934.21/5,435.18 = 2,937.77/x
  3. Step 3: Cross multiply
    3,934.21x = 5,435.18 × 2,937.77
  4. Step 4: Simplify right side
    3,934.21x = 15,967,308.75
  5. Step 5: Solve for x
    x = 15,967,308.75/3,934.21
  6. Step 6: Final answer
    x = 4,058.58

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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.