Home / 3,937.75-5,434.14-2,365.54

Finding the Fourth Proportional to 3,937.75, 5,434.14 and 2,365.54

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Solution

The fourth proportional to 3,937.75, 5,434.14 and 2,365.54 is: 3,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.75 : 5,434.14 = 2,365.54 : x
  2. Step 2: Convert to fraction form
    3,937.75/5,434.14 = 2,365.54/x
  3. Step 3: Cross multiply
    3,937.75x = 5,434.14 × 2,365.54
  4. Step 4: Simplify right side
    3,937.75x = 12,854,675.54
  5. Step 5: Solve for x
    x = 12,854,675.54/3,937.75
  6. Step 6: Final answer
    x = 3,264.47

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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.