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Finding the Fourth Proportional to 3,232.40, 4,850.40 and 1,383.20

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Solution

The fourth proportional to 3,232.40, 4,850.40 and 1,383.20 is: 2,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.40 : 4,850.40 = 1,383.20 : x
  2. Step 2: Convert to fraction form
    3,232.40/4,850.40 = 1,383.20/x
  3. Step 3: Cross multiply
    3,232.40x = 4,850.40 × 1,383.20
  4. Step 4: Simplify right side
    3,232.40x = 6,709,073.28
  5. Step 5: Solve for x
    x = 6,709,073.28/3,232.40
  6. Step 6: Final answer
    x = 2,075.57

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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.