Home / 2,739.06-4,109.76-1,007.28

Finding the Fourth Proportional to 2,739.06, 4,109.76 and 1,007.28

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Solution

The fourth proportional to 2,739.06, 4,109.76 and 1,007.28 is: 1,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.06 : 4,109.76 = 1,007.28 : x
  2. Step 2: Convert to fraction form
    2,739.06/4,109.76 = 1,007.28/x
  3. Step 3: Cross multiply
    2,739.06x = 4,109.76 × 1,007.28
  4. Step 4: Simplify right side
    2,739.06x = 4,139,679.05
  5. Step 5: Solve for x
    x = 4,139,679.05/2,739.06
  6. Step 6: Final answer
    x = 1,511.35

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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.