Home / 3,108.61-4,288.43-1,848.96

Finding the Fourth Proportional to 3,108.61, 4,288.43 and 1,848.96

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Solution

The fourth proportional to 3,108.61, 4,288.43 and 1,848.96 is: 2,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.61 : 4,288.43 = 1,848.96 : x
  2. Step 2: Convert to fraction form
    3,108.61/4,288.43 = 1,848.96/x
  3. Step 3: Cross multiply
    3,108.61x = 4,288.43 × 1,848.96
  4. Step 4: Simplify right side
    3,108.61x = 7,929,140.16
  5. Step 5: Solve for x
    x = 7,929,140.16/3,108.61
  6. Step 6: Final answer
    x = 2,550.70

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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.