Home / 1,461.19-2,189.61-1,424.97

Finding the Fourth Proportional to 1,461.19, 2,189.61 and 1,424.97

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Solution

The fourth proportional to 1,461.19, 2,189.61 and 1,424.97 is: 2,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.19 : 2,189.61 = 1,424.97 : x
  2. Step 2: Convert to fraction form
    1,461.19/2,189.61 = 1,424.97/x
  3. Step 3: Cross multiply
    1,461.19x = 2,189.61 × 1,424.97
  4. Step 4: Simplify right side
    1,461.19x = 3,120,128.56
  5. Step 5: Solve for x
    x = 3,120,128.56/1,461.19
  6. Step 6: Final answer
    x = 2,135.33

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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.