Home / 2,189.08-3,283.70-954.80

Finding the Fourth Proportional to 2,189.08, 3,283.70 and 954.80

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Solution

The fourth proportional to 2,189.08, 3,283.70 and 954.80 is: 1,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.08 : 3,283.70 = 954.80 : x
  2. Step 2: Convert to fraction form
    2,189.08/3,283.70 = 954.80/x
  3. Step 3: Cross multiply
    2,189.08x = 3,283.70 × 954.80
  4. Step 4: Simplify right side
    2,189.08x = 3,135,276.76
  5. Step 5: Solve for x
    x = 3,135,276.76/2,189.08
  6. Step 6: Final answer
    x = 1,432.23

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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.