Home / 2,878.83-4,314.60-1,838.43

Finding the Fourth Proportional to 2,878.83, 4,314.60 and 1,838.43

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Solution

The fourth proportional to 2,878.83, 4,314.60 and 1,838.43 is: 2,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.83 : 4,314.60 = 1,838.43 : x
  2. Step 2: Convert to fraction form
    2,878.83/4,314.60 = 1,838.43/x
  3. Step 3: Cross multiply
    2,878.83x = 4,314.60 × 1,838.43
  4. Step 4: Simplify right side
    2,878.83x = 7,932,090.08
  5. Step 5: Solve for x
    x = 7,932,090.08/2,878.83
  6. Step 6: Final answer
    x = 2,755.32

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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.