Home / 2,566.14-3,541.26-1,387.21

Finding the Fourth Proportional to 2,566.14, 3,541.26 and 1,387.21

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Solution

The fourth proportional to 2,566.14, 3,541.26 and 1,387.21 is: 1,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.14 : 3,541.26 = 1,387.21 : x
  2. Step 2: Convert to fraction form
    2,566.14/3,541.26 = 1,387.21/x
  3. Step 3: Cross multiply
    2,566.14x = 3,541.26 × 1,387.21
  4. Step 4: Simplify right side
    2,566.14x = 4,912,462.43
  5. Step 5: Solve for x
    x = 4,912,462.43/2,566.14
  6. Step 6: Final answer
    x = 1,914.34

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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.