Home / 1,878.98-2,816.93-1,097.06

Finding the Fourth Proportional to 1,878.98, 2,816.93 and 1,097.06

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Solution

The fourth proportional to 1,878.98, 2,816.93 and 1,097.06 is: 1,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.98 : 2,816.93 = 1,097.06 : x
  2. Step 2: Convert to fraction form
    1,878.98/2,816.93 = 1,097.06/x
  3. Step 3: Cross multiply
    1,878.98x = 2,816.93 × 1,097.06
  4. Step 4: Simplify right side
    1,878.98x = 3,090,321.66
  5. Step 5: Solve for x
    x = 3,090,321.66/1,878.98
  6. Step 6: Final answer
    x = 1,644.68

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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.