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Finding the Fourth Proportional to 3,757.50, 5,636.16 and 1,294.02

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Solution

The fourth proportional to 3,757.50, 5,636.16 and 1,294.02 is: 1,941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.50 : 5,636.16 = 1,294.02 : x
  2. Step 2: Convert to fraction form
    3,757.50/5,636.16 = 1,294.02/x
  3. Step 3: Cross multiply
    3,757.50x = 5,636.16 × 1,294.02
  4. Step 4: Simplify right side
    3,757.50x = 7,293,303.76
  5. Step 5: Solve for x
    x = 7,293,303.76/3,757.50
  6. Step 6: Final answer
    x = 1,941.00

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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.