Home / 2,442.03-3,660.87-980.19

Finding the Fourth Proportional to 2,442.03, 3,660.87 and 980.19

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Solution

The fourth proportional to 2,442.03, 3,660.87 and 980.19 is: 1,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.03 : 3,660.87 = 980.19 : x
  2. Step 2: Convert to fraction form
    2,442.03/3,660.87 = 980.19/x
  3. Step 3: Cross multiply
    2,442.03x = 3,660.87 × 980.19
  4. Step 4: Simplify right side
    2,442.03x = 3,588,348.17
  5. Step 5: Solve for x
    x = 3,588,348.17/2,442.03
  6. Step 6: Final answer
    x = 1,469.41

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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.