Home / 2,837.67-4,252.55-1,080.78

Finding the Fourth Proportional to 2,837.67, 4,252.55 and 1,080.78

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Solution

The fourth proportional to 2,837.67, 4,252.55 and 1,080.78 is: 1,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.67 : 4,252.55 = 1,080.78 : x
  2. Step 2: Convert to fraction form
    2,837.67/4,252.55 = 1,080.78/x
  3. Step 3: Cross multiply
    2,837.67x = 4,252.55 × 1,080.78
  4. Step 4: Simplify right side
    2,837.67x = 4,596,070.99
  5. Step 5: Solve for x
    x = 4,596,070.99/2,837.67
  6. Step 6: Final answer
    x = 1,619.66

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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.