Home / 2,150.44-3,225.28-980.08

Finding the Fourth Proportional to 2,150.44, 3,225.28 and 980.08

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Solution

The fourth proportional to 2,150.44, 3,225.28 and 980.08 is: 1,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.44 : 3,225.28 = 980.08 : x
  2. Step 2: Convert to fraction form
    2,150.44/3,225.28 = 980.08/x
  3. Step 3: Cross multiply
    2,150.44x = 3,225.28 × 980.08
  4. Step 4: Simplify right side
    2,150.44x = 3,161,032.42
  5. Step 5: Solve for x
    x = 3,161,032.42/2,150.44
  6. Step 6: Final answer
    x = 1,469.95

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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.