Home / 2,780.12-3,837.96-1,600.97

Finding the Fourth Proportional to 2,780.12, 3,837.96 and 1,600.97

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Solution

The fourth proportional to 2,780.12, 3,837.96 and 1,600.97 is: 2,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.12 : 3,837.96 = 1,600.97 : x
  2. Step 2: Convert to fraction form
    2,780.12/3,837.96 = 1,600.97/x
  3. Step 3: Cross multiply
    2,780.12x = 3,837.96 × 1,600.97
  4. Step 4: Simplify right side
    2,780.12x = 6,144,435.13
  5. Step 5: Solve for x
    x = 6,144,435.13/2,780.12
  6. Step 6: Final answer
    x = 2,210.13

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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.