Home / 3,664.31-5,496.73-1,325.70

Finding the Fourth Proportional to 3,664.31, 5,496.73 and 1,325.70

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Solution

The fourth proportional to 3,664.31, 5,496.73 and 1,325.70 is: 1,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.31 : 5,496.73 = 1,325.70 : x
  2. Step 2: Convert to fraction form
    3,664.31/5,496.73 = 1,325.70/x
  3. Step 3: Cross multiply
    3,664.31x = 5,496.73 × 1,325.70
  4. Step 4: Simplify right side
    3,664.31x = 7,287,011.65
  5. Step 5: Solve for x
    x = 7,287,011.65/3,664.31
  6. Step 6: Final answer
    x = 1,988.65

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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.