Home / 3,389.24-5,084.07-1,309.57

Finding the Fourth Proportional to 3,389.24, 5,084.07 and 1,309.57

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Solution

The fourth proportional to 3,389.24, 5,084.07 and 1,309.57 is: 1,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.24 : 5,084.07 = 1,309.57 : x
  2. Step 2: Convert to fraction form
    3,389.24/5,084.07 = 1,309.57/x
  3. Step 3: Cross multiply
    3,389.24x = 5,084.07 × 1,309.57
  4. Step 4: Simplify right side
    3,389.24x = 6,657,927.93
  5. Step 5: Solve for x
    x = 6,657,927.93/3,389.24
  6. Step 6: Final answer
    x = 1,964.43

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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.