Home / 1,477.18-2,198.33-1,427.97

Finding the Fourth Proportional to 1,477.18, 2,198.33 and 1,427.97

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Solution

The fourth proportional to 1,477.18, 2,198.33 and 1,427.97 is: 2,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.18 : 2,198.33 = 1,427.97 : x
  2. Step 2: Convert to fraction form
    1,477.18/2,198.33 = 1,427.97/x
  3. Step 3: Cross multiply
    1,477.18x = 2,198.33 × 1,427.97
  4. Step 4: Simplify right side
    1,477.18x = 3,139,141.87
  5. Step 5: Solve for x
    x = 3,139,141.87/1,477.18
  6. Step 6: Final answer
    x = 2,125.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.