Home / 3,391.03-5,086.05-1,312.01

Finding the Fourth Proportional to 3,391.03, 5,086.05 and 1,312.01

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Solution

The fourth proportional to 3,391.03, 5,086.05 and 1,312.01 is: 1,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.03 : 5,086.05 = 1,312.01 : x
  2. Step 2: Convert to fraction form
    3,391.03/5,086.05 = 1,312.01/x
  3. Step 3: Cross multiply
    3,391.03x = 5,086.05 × 1,312.01
  4. Step 4: Simplify right side
    3,391.03x = 6,672,948.46
  5. Step 5: Solve for x
    x = 6,672,948.46/3,391.03
  6. Step 6: Final answer
    x = 1,967.83

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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.