Home / 2,165.22-3,235.96-1,581.45

Finding the Fourth Proportional to 2,165.22, 3,235.96 and 1,581.45

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Solution

The fourth proportional to 2,165.22, 3,235.96 and 1,581.45 is: 2,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.22 : 3,235.96 = 1,581.45 : x
  2. Step 2: Convert to fraction form
    2,165.22/3,235.96 = 1,581.45/x
  3. Step 3: Cross multiply
    2,165.22x = 3,235.96 × 1,581.45
  4. Step 4: Simplify right side
    2,165.22x = 5,117,508.94
  5. Step 5: Solve for x
    x = 5,117,508.94/2,165.22
  6. Step 6: Final answer
    x = 2,363.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.