Home / 1,480.03-2,219.82-887.38

Finding the Fourth Proportional to 1,480.03, 2,219.82 and 887.38

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Solution

The fourth proportional to 1,480.03, 2,219.82 and 887.38 is: 1,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.03 : 2,219.82 = 887.38 : x
  2. Step 2: Convert to fraction form
    1,480.03/2,219.82 = 887.38/x
  3. Step 3: Cross multiply
    1,480.03x = 2,219.82 × 887.38
  4. Step 4: Simplify right side
    1,480.03x = 1,969,823.87
  5. Step 5: Solve for x
    x = 1,969,823.87/1,480.03
  6. Step 6: Final answer
    x = 1,330.94

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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.