Home / 3,561.26-5,341.62-1,369.40

Finding the Fourth Proportional to 3,561.26, 5,341.62 and 1,369.40

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Solution

The fourth proportional to 3,561.26, 5,341.62 and 1,369.40 is: 2,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.26 : 5,341.62 = 1,369.40 : x
  2. Step 2: Convert to fraction form
    3,561.26/5,341.62 = 1,369.40/x
  3. Step 3: Cross multiply
    3,561.26x = 5,341.62 × 1,369.40
  4. Step 4: Simplify right side
    3,561.26x = 7,314,814.43
  5. Step 5: Solve for x
    x = 7,314,814.43/3,561.26
  6. Step 6: Final answer
    x = 2,054.00

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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.