Home / 2,189.69-3,283.28-1,497.20

Finding the Fourth Proportional to 2,189.69, 3,283.28 and 1,497.20

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Solution

The fourth proportional to 2,189.69, 3,283.28 and 1,497.20 is: 2,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.69 : 3,283.28 = 1,497.20 : x
  2. Step 2: Convert to fraction form
    2,189.69/3,283.28 = 1,497.20/x
  3. Step 3: Cross multiply
    2,189.69x = 3,283.28 × 1,497.20
  4. Step 4: Simplify right side
    2,189.69x = 4,915,735.96
  5. Step 5: Solve for x
    x = 4,915,735.96/2,189.69
  6. Step 6: Final answer
    x = 2,244.94

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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.