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Finding the Fourth Proportional to 1,763.96, 2,645.71 and 465.53

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Solution

The fourth proportional to 1,763.96, 2,645.71 and 465.53 is: 698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.96 : 2,645.71 = 465.53 : x
  2. Step 2: Convert to fraction form
    1,763.96/2,645.71 = 465.53/x
  3. Step 3: Cross multiply
    1,763.96x = 2,645.71 × 465.53
  4. Step 4: Simplify right side
    1,763.96x = 1,231,657.38
  5. Step 5: Solve for x
    x = 1,231,657.38/1,763.96
  6. Step 6: Final answer
    x = 698.23

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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.