Home / 3,395.77-5,090.50-1,317.13

Finding the Fourth Proportional to 3,395.77, 5,090.50 and 1,317.13

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Solution

The fourth proportional to 3,395.77, 5,090.50 and 1,317.13 is: 1,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.77 : 5,090.50 = 1,317.13 : x
  2. Step 2: Convert to fraction form
    3,395.77/5,090.50 = 1,317.13/x
  3. Step 3: Cross multiply
    3,395.77x = 5,090.50 × 1,317.13
  4. Step 4: Simplify right side
    3,395.77x = 6,704,850.27
  5. Step 5: Solve for x
    x = 6,704,850.27/3,395.77
  6. Step 6: Final answer
    x = 1,974.47

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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.