Home / 3,283.81-4,528.21-2,163.32

Finding the Fourth Proportional to 3,283.81, 4,528.21 and 2,163.32

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Solution

The fourth proportional to 3,283.81, 4,528.21 and 2,163.32 is: 2,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.81 : 4,528.21 = 2,163.32 : x
  2. Step 2: Convert to fraction form
    3,283.81/4,528.21 = 2,163.32/x
  3. Step 3: Cross multiply
    3,283.81x = 4,528.21 × 2,163.32
  4. Step 4: Simplify right side
    3,283.81x = 9,795,967.26
  5. Step 5: Solve for x
    x = 9,795,967.26/3,283.81
  6. Step 6: Final answer
    x = 2,983.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.