Home / 3,958.72-5,937.44-1,325.84

Finding the Fourth Proportional to 3,958.72, 5,937.44 and 1,325.84

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Solution

The fourth proportional to 3,958.72, 5,937.44 and 1,325.84 is: 1,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.72 : 5,937.44 = 1,325.84 : x
  2. Step 2: Convert to fraction form
    3,958.72/5,937.44 = 1,325.84/x
  3. Step 3: Cross multiply
    3,958.72x = 5,937.44 × 1,325.84
  4. Step 4: Simplify right side
    3,958.72x = 7,872,095.45
  5. Step 5: Solve for x
    x = 7,872,095.45/3,958.72
  6. Step 6: Final answer
    x = 1,988.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.