Home / 3,167.10-4,369.63-1,840.55

Finding the Fourth Proportional to 3,167.10, 4,369.63 and 1,840.55

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Solution

The fourth proportional to 3,167.10, 4,369.63 and 1,840.55 is: 2,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.10 : 4,369.63 = 1,840.55 : x
  2. Step 2: Convert to fraction form
    3,167.10/4,369.63 = 1,840.55/x
  3. Step 3: Cross multiply
    3,167.10x = 4,369.63 × 1,840.55
  4. Step 4: Simplify right side
    3,167.10x = 8,042,522.50
  5. Step 5: Solve for x
    x = 8,042,522.50/3,167.10
  6. Step 6: Final answer
    x = 2,539.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.