Home / 2,149.48-2,966.44-1,205.27

Finding the Fourth Proportional to 2,149.48, 2,966.44 and 1,205.27

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Solution

The fourth proportional to 2,149.48, 2,966.44 and 1,205.27 is: 1,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.48 : 2,966.44 = 1,205.27 : x
  2. Step 2: Convert to fraction form
    2,149.48/2,966.44 = 1,205.27/x
  3. Step 3: Cross multiply
    2,149.48x = 2,966.44 × 1,205.27
  4. Step 4: Simplify right side
    2,149.48x = 3,575,355.11
  5. Step 5: Solve for x
    x = 3,575,355.11/2,149.48
  6. Step 6: Final answer
    x = 1,663.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.