Home / 3,165.42-4,368.25-1,839.90

Finding the Fourth Proportional to 3,165.42, 4,368.25 and 1,839.90

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Solution

The fourth proportional to 3,165.42, 4,368.25 and 1,839.90 is: 2,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.42 : 4,368.25 = 1,839.90 : x
  2. Step 2: Convert to fraction form
    3,165.42/4,368.25 = 1,839.90/x
  3. Step 3: Cross multiply
    3,165.42x = 4,368.25 × 1,839.90
  4. Step 4: Simplify right side
    3,165.42x = 8,037,143.18
  5. Step 5: Solve for x
    x = 8,037,143.18/3,165.42
  6. Step 6: Final answer
    x = 2,539.04

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Why These Related Problems?

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