Home / 1,580.67-2,371.37-1,119.33

Finding the Fourth Proportional to 1,580.67, 2,371.37 and 1,119.33

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Solution

The fourth proportional to 1,580.67, 2,371.37 and 1,119.33 is: 1,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580.67 : 2,371.37 = 1,119.33 : x
  2. Step 2: Convert to fraction form
    1,580.67/2,371.37 = 1,119.33/x
  3. Step 3: Cross multiply
    1,580.67x = 2,371.37 × 1,119.33
  4. Step 4: Simplify right side
    1,580.67x = 2,654,339.99
  5. Step 5: Solve for x
    x = 2,654,339.99/1,580.67
  6. Step 6: Final answer
    x = 1,679.25

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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.