Home / 2,752.10-4,129.17-1,109.12

Finding the Fourth Proportional to 2,752.10, 4,129.17 and 1,109.12

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Solution

The fourth proportional to 2,752.10, 4,129.17 and 1,109.12 is: 1,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.10 : 4,129.17 = 1,109.12 : x
  2. Step 2: Convert to fraction form
    2,752.10/4,129.17 = 1,109.12/x
  3. Step 3: Cross multiply
    2,752.10x = 4,129.17 × 1,109.12
  4. Step 4: Simplify right side
    2,752.10x = 4,579,724.38
  5. Step 5: Solve for x
    x = 4,579,724.38/2,752.10
  6. Step 6: Final answer
    x = 1,664.09

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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.