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Finding the Fourth Proportional to 3,750.54, 5,625.90 and 1,153.50

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Solution

The fourth proportional to 3,750.54, 5,625.90 and 1,153.50 is: 1,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.54 : 5,625.90 = 1,153.50 : x
  2. Step 2: Convert to fraction form
    3,750.54/5,625.90 = 1,153.50/x
  3. Step 3: Cross multiply
    3,750.54x = 5,625.90 × 1,153.50
  4. Step 4: Simplify right side
    3,750.54x = 6,489,475.65
  5. Step 5: Solve for x
    x = 6,489,475.65/3,750.54
  6. Step 6: Final answer
    x = 1,730.28

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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.