Home / 2,158.20-2,971.44-1,825.92

Finding the Fourth Proportional to 2,158.20, 2,971.44 and 1,825.92

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Solution

The fourth proportional to 2,158.20, 2,971.44 and 1,825.92 is: 2,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.20 : 2,971.44 = 1,825.92 : x
  2. Step 2: Convert to fraction form
    2,158.20/2,971.44 = 1,825.92/x
  3. Step 3: Cross multiply
    2,158.20x = 2,971.44 × 1,825.92
  4. Step 4: Simplify right side
    2,158.20x = 5,425,611.72
  5. Step 5: Solve for x
    x = 5,425,611.72/2,158.20
  6. Step 6: Final answer
    x = 2,513.95

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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.