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Finding the Fourth Proportional to 2,350, 3,525.72 and 1,052.20

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Solution

The fourth proportional to 2,350, 3,525.72 and 1,052.20 is: 1,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350 : 3,525.72 = 1,052.20 : x
  2. Step 2: Convert to fraction form
    2,350/3,525.72 = 1,052.20/x
  3. Step 3: Cross multiply
    2,350x = 3,525.72 × 1,052.20
  4. Step 4: Simplify right side
    2,350x = 3,709,762.58
  5. Step 5: Solve for x
    x = 3,709,762.58/2,350
  6. Step 6: Final answer
    x = 1,578.62

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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.