Home / 1,644.48-2,462.15-1,279.98

Finding the Fourth Proportional to 1,644.48, 2,462.15 and 1,279.98

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Solution

The fourth proportional to 1,644.48, 2,462.15 and 1,279.98 is: 1,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.48 : 2,462.15 = 1,279.98 : x
  2. Step 2: Convert to fraction form
    1,644.48/2,462.15 = 1,279.98/x
  3. Step 3: Cross multiply
    1,644.48x = 2,462.15 × 1,279.98
  4. Step 4: Simplify right side
    1,644.48x = 3,151,496.36
  5. Step 5: Solve for x
    x = 3,151,496.36/1,644.48
  6. Step 6: Final answer
    x = 1,916.41

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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.