Home / 3,561.50-5,342.94-1,370.07

Finding the Fourth Proportional to 3,561.50, 5,342.94 and 1,370.07

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Solution

The fourth proportional to 3,561.50, 5,342.94 and 1,370.07 is: 2,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.50 : 5,342.94 = 1,370.07 : x
  2. Step 2: Convert to fraction form
    3,561.50/5,342.94 = 1,370.07/x
  3. Step 3: Cross multiply
    3,561.50x = 5,342.94 × 1,370.07
  4. Step 4: Simplify right side
    3,561.50x = 7,320,201.81
  5. Step 5: Solve for x
    x = 7,320,201.81/3,561.50
  6. Step 6: Final answer
    x = 2,055.37

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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.