Home / 3,958.15-5,462.08-2,165.58

Finding the Fourth Proportional to 3,958.15, 5,462.08 and 2,165.58

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Solution

The fourth proportional to 3,958.15, 5,462.08 and 2,165.58 is: 2,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.15 : 5,462.08 = 2,165.58 : x
  2. Step 2: Convert to fraction form
    3,958.15/5,462.08 = 2,165.58/x
  3. Step 3: Cross multiply
    3,958.15x = 5,462.08 × 2,165.58
  4. Step 4: Simplify right side
    3,958.15x = 11,828,571.21
  5. Step 5: Solve for x
    x = 11,828,571.21/3,958.15
  6. Step 6: Final answer
    x = 2,988.41

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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.