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Finding the Fourth Proportional to 3,237.87, 4,852.17 and 1,388.49

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Solution

The fourth proportional to 3,237.87, 4,852.17 and 1,388.49 is: 2,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.87 : 4,852.17 = 1,388.49 : x
  2. Step 2: Convert to fraction form
    3,237.87/4,852.17 = 1,388.49/x
  3. Step 3: Cross multiply
    3,237.87x = 4,852.17 × 1,388.49
  4. Step 4: Simplify right side
    3,237.87x = 6,737,189.52
  5. Step 5: Solve for x
    x = 6,737,189.52/3,237.87
  6. Step 6: Final answer
    x = 2,080.75

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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.