Home / 3,750.62-5,625.72-1,153.56

Finding the Fourth Proportional to 3,750.62, 5,625.72 and 1,153.56

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Solution

The fourth proportional to 3,750.62, 5,625.72 and 1,153.56 is: 1,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.62 : 5,625.72 = 1,153.56 : x
  2. Step 2: Convert to fraction form
    3,750.62/5,625.72 = 1,153.56/x
  3. Step 3: Cross multiply
    3,750.62x = 5,625.72 × 1,153.56
  4. Step 4: Simplify right side
    3,750.62x = 6,489,605.56
  5. Step 5: Solve for x
    x = 6,489,605.56/3,750.62
  6. Step 6: Final answer
    x = 1,730.28

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1.5x scale

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.