Home / 2,089.90-2,884.01-1,145.64

Finding the Fourth Proportional to 2,089.90, 2,884.01 and 1,145.64

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Solution

The fourth proportional to 2,089.90, 2,884.01 and 1,145.64 is: 1,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.90 : 2,884.01 = 1,145.64 : x
  2. Step 2: Convert to fraction form
    2,089.90/2,884.01 = 1,145.64/x
  3. Step 3: Cross multiply
    2,089.90x = 2,884.01 × 1,145.64
  4. Step 4: Simplify right side
    2,089.90x = 3,304,042.30
  5. Step 5: Solve for x
    x = 3,304,042.30/2,089.90
  6. Step 6: Final answer
    x = 1,580.96

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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.