Home / 1,474.82-2,035.32-845.35

Finding the Fourth Proportional to 1,474.82, 2,035.32 and 845.35

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Solution

The fourth proportional to 1,474.82, 2,035.32 and 845.35 is: 1,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.82 : 2,035.32 = 845.35 : x
  2. Step 2: Convert to fraction form
    1,474.82/2,035.32 = 845.35/x
  3. Step 3: Cross multiply
    1,474.82x = 2,035.32 × 845.35
  4. Step 4: Simplify right side
    1,474.82x = 1,720,557.76
  5. Step 5: Solve for x
    x = 1,720,557.76/1,474.82
  6. Step 6: Final answer
    x = 1,166.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.