Home / 1,644.20-2,466.23-670.26

Finding the Fourth Proportional to 1,644.20, 2,466.23 and 670.26

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Solution

The fourth proportional to 1,644.20, 2,466.23 and 670.26 is: 1,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.20 : 2,466.23 = 670.26 : x
  2. Step 2: Convert to fraction form
    1,644.20/2,466.23 = 670.26/x
  3. Step 3: Cross multiply
    1,644.20x = 2,466.23 × 670.26
  4. Step 4: Simplify right side
    1,644.20x = 1,653,011.97
  5. Step 5: Solve for x
    x = 1,653,011.97/1,644.20
  6. Step 6: Final answer
    x = 1,005.36

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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.