Home / 2,271.24-3,407.54-1,879.47

Finding the Fourth Proportional to 2,271.24, 3,407.54 and 1,879.47

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Solution

The fourth proportional to 2,271.24, 3,407.54 and 1,879.47 is: 2,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.24 : 3,407.54 = 1,879.47 : x
  2. Step 2: Convert to fraction form
    2,271.24/3,407.54 = 1,879.47/x
  3. Step 3: Cross multiply
    2,271.24x = 3,407.54 × 1,879.47
  4. Step 4: Simplify right side
    2,271.24x = 6,404,369.20
  5. Step 5: Solve for x
    x = 6,404,369.20/2,271.24
  6. Step 6: Final answer
    x = 2,819.77

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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.