Home / 3,580.36-5,368.37-1,605.63

Finding the Fourth Proportional to 3,580.36, 5,368.37 and 1,605.63

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Solution

The fourth proportional to 3,580.36, 5,368.37 and 1,605.63 is: 2,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.36 : 5,368.37 = 1,605.63 : x
  2. Step 2: Convert to fraction form
    3,580.36/5,368.37 = 1,605.63/x
  3. Step 3: Cross multiply
    3,580.36x = 5,368.37 × 1,605.63
  4. Step 4: Simplify right side
    3,580.36x = 8,619,593.10
  5. Step 5: Solve for x
    x = 8,619,593.10/3,580.36
  6. Step 6: Final answer
    x = 2,407.47

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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.