Home / 3,958.10-5,937.86-1,325.35

Finding the Fourth Proportional to 3,958.10, 5,937.86 and 1,325.35

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Solution

The fourth proportional to 3,958.10, 5,937.86 and 1,325.35 is: 1,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.10 : 5,937.86 = 1,325.35 : x
  2. Step 2: Convert to fraction form
    3,958.10/5,937.86 = 1,325.35/x
  3. Step 3: Cross multiply
    3,958.10x = 5,937.86 × 1,325.35
  4. Step 4: Simplify right side
    3,958.10x = 7,869,742.75
  5. Step 5: Solve for x
    x = 7,869,742.75/3,958.10
  6. Step 6: Final answer
    x = 1,988.26

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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.