Home / 3,937.89-5,434.31-2,365.99

Finding the Fourth Proportional to 3,937.89, 5,434.31 and 2,365.99

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Solution

The fourth proportional to 3,937.89, 5,434.31 and 2,365.99 is: 3,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.89 : 5,434.31 = 2,365.99 : x
  2. Step 2: Convert to fraction form
    3,937.89/5,434.31 = 2,365.99/x
  3. Step 3: Cross multiply
    3,937.89x = 5,434.31 × 2,365.99
  4. Step 4: Simplify right side
    3,937.89x = 12,857,523.12
  5. Step 5: Solve for x
    x = 12,857,523.12/3,937.89
  6. Step 6: Final answer
    x = 3,265.08

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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.