Home / 2,491.06-3,734.36-1,029.28

Finding the Fourth Proportional to 2,491.06, 3,734.36 and 1,029.28

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Solution

The fourth proportional to 2,491.06, 3,734.36 and 1,029.28 is: 1,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.06 : 3,734.36 = 1,029.28 : x
  2. Step 2: Convert to fraction form
    2,491.06/3,734.36 = 1,029.28/x
  3. Step 3: Cross multiply
    2,491.06x = 3,734.36 × 1,029.28
  4. Step 4: Simplify right side
    2,491.06x = 3,843,678.24
  5. Step 5: Solve for x
    x = 3,843,678.24/2,491.06
  6. Step 6: Final answer
    x = 1,542.99

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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.