Home / 1,528.44-2,293.68-1,322.70

Finding the Fourth Proportional to 1,528.44, 2,293.68 and 1,322.70

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Solution

The fourth proportional to 1,528.44, 2,293.68 and 1,322.70 is: 1,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.44 : 2,293.68 = 1,322.70 : x
  2. Step 2: Convert to fraction form
    1,528.44/2,293.68 = 1,322.70/x
  3. Step 3: Cross multiply
    1,528.44x = 2,293.68 × 1,322.70
  4. Step 4: Simplify right side
    1,528.44x = 3,033,850.54
  5. Step 5: Solve for x
    x = 3,033,850.54/1,528.44
  6. Step 6: Final answer
    x = 1,984.93

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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.