Home / 3,097.79-4,642.46-1,317.37

Finding the Fourth Proportional to 3,097.79, 4,642.46 and 1,317.37

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Solution

The fourth proportional to 3,097.79, 4,642.46 and 1,317.37 is: 1,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.79 : 4,642.46 = 1,317.37 : x
  2. Step 2: Convert to fraction form
    3,097.79/4,642.46 = 1,317.37/x
  3. Step 3: Cross multiply
    3,097.79x = 4,642.46 × 1,317.37
  4. Step 4: Simplify right side
    3,097.79x = 6,115,807.73
  5. Step 5: Solve for x
    x = 6,115,807.73/3,097.79
  6. Step 6: Final answer
    x = 1,974.25

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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.