Home / 2,038.61-3,051.83-2,003.78

Finding the Fourth Proportional to 2,038.61, 3,051.83 and 2,003.78

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Solution

The fourth proportional to 2,038.61, 3,051.83 and 2,003.78 is: 2,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.61 : 3,051.83 = 2,003.78 : x
  2. Step 2: Convert to fraction form
    2,038.61/3,051.83 = 2,003.78/x
  3. Step 3: Cross multiply
    2,038.61x = 3,051.83 × 2,003.78
  4. Step 4: Simplify right side
    2,038.61x = 6,115,170.64
  5. Step 5: Solve for x
    x = 6,115,170.64/2,038.61
  6. Step 6: Final answer
    x = 2,999.68

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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.