Home / 2,752.04-4,128.19-1,108.36

Finding the Fourth Proportional to 2,752.04, 4,128.19 and 1,108.36

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Solution

The fourth proportional to 2,752.04, 4,128.19 and 1,108.36 is: 1,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.04 : 4,128.19 = 1,108.36 : x
  2. Step 2: Convert to fraction form
    2,752.04/4,128.19 = 1,108.36/x
  3. Step 3: Cross multiply
    2,752.04x = 4,128.19 × 1,108.36
  4. Step 4: Simplify right side
    2,752.04x = 4,575,537.03
  5. Step 5: Solve for x
    x = 4,575,537.03/2,752.04
  6. Step 6: Final answer
    x = 1,662.60

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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.