Home / 2,752.73-4,129.23-1,109.06

Finding the Fourth Proportional to 2,752.73, 4,129.23 and 1,109.06

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Solution

The fourth proportional to 2,752.73, 4,129.23 and 1,109.06 is: 1,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.73 : 4,129.23 = 1,109.06 : x
  2. Step 2: Convert to fraction form
    2,752.73/4,129.23 = 1,109.06/x
  3. Step 3: Cross multiply
    2,752.73x = 4,129.23 × 1,109.06
  4. Step 4: Simplify right side
    2,752.73x = 4,579,537.63
  5. Step 5: Solve for x
    x = 4,579,537.63/2,752.73
  6. Step 6: Final answer
    x = 1,663.64

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1.5x scale

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.