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Finding the Fourth Proportional to 3,531.93, 5,297 and 1,452.51

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Solution

The fourth proportional to 3,531.93, 5,297 and 1,452.51 is: 2,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.93 : 5,297 = 1,452.51 : x
  2. Step 2: Convert to fraction form
    3,531.93/5,297 = 1,452.51/x
  3. Step 3: Cross multiply
    3,531.93x = 5,297 × 1,452.51
  4. Step 4: Simplify right side
    3,531.93x = 7,693,945.47
  5. Step 5: Solve for x
    x = 7,693,945.47/3,531.93
  6. Step 6: Final answer
    x = 2,178.40

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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.