Home / 2,878.55-4,317.82-1,234.03

Finding the Fourth Proportional to 2,878.55, 4,317.82 and 1,234.03

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Solution

The fourth proportional to 2,878.55, 4,317.82 and 1,234.03 is: 1,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.55 : 4,317.82 = 1,234.03 : x
  2. Step 2: Convert to fraction form
    2,878.55/4,317.82 = 1,234.03/x
  3. Step 3: Cross multiply
    2,878.55x = 4,317.82 × 1,234.03
  4. Step 4: Simplify right side
    2,878.55x = 5,328,319.41
  5. Step 5: Solve for x
    x = 5,328,319.41/2,878.55
  6. Step 6: Final answer
    x = 1,851.04

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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.