Home / 3,578.23-5,368.46-1,605.51

Finding the Fourth Proportional to 3,578.23, 5,368.46 and 1,605.51

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Solution

The fourth proportional to 3,578.23, 5,368.46 and 1,605.51 is: 2,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.23 : 5,368.46 = 1,605.51 : x
  2. Step 2: Convert to fraction form
    3,578.23/5,368.46 = 1,605.51/x
  3. Step 3: Cross multiply
    3,578.23x = 5,368.46 × 1,605.51
  4. Step 4: Simplify right side
    3,578.23x = 8,619,108.19
  5. Step 5: Solve for x
    x = 8,619,108.19/3,578.23
  6. Step 6: Final answer
    x = 2,408.77

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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.