Home / 1,673.44-2,508.16-1,261.21

Finding the Fourth Proportional to 1,673.44, 2,508.16 and 1,261.21

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Solution

The fourth proportional to 1,673.44, 2,508.16 and 1,261.21 is: 1,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.44 : 2,508.16 = 1,261.21 : x
  2. Step 2: Convert to fraction form
    1,673.44/2,508.16 = 1,261.21/x
  3. Step 3: Cross multiply
    1,673.44x = 2,508.16 × 1,261.21
  4. Step 4: Simplify right side
    1,673.44x = 3,163,324.32
  5. Step 5: Solve for x
    x = 3,163,324.32/1,673.44
  6. Step 6: Final answer
    x = 1,890.32

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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.