Home / 3,108.48-4,288.74-1,763.87

Finding the Fourth Proportional to 3,108.48, 4,288.74 and 1,763.87

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Solution

The fourth proportional to 3,108.48, 4,288.74 and 1,763.87 is: 2,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.48 : 4,288.74 = 1,763.87 : x
  2. Step 2: Convert to fraction form
    3,108.48/4,288.74 = 1,763.87/x
  3. Step 3: Cross multiply
    3,108.48x = 4,288.74 × 1,763.87
  4. Step 4: Simplify right side
    3,108.48x = 7,564,779.82
  5. Step 5: Solve for x
    x = 7,564,779.82/3,108.48
  6. Step 6: Final answer
    x = 2,433.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.