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Finding the Fourth Proportional to 1,684.90, 2,527.27 and 589.51

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Solution

The fourth proportional to 1,684.90, 2,527.27 and 589.51 is: 884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.90 : 2,527.27 = 589.51 : x
  2. Step 2: Convert to fraction form
    1,684.90/2,527.27 = 589.51/x
  3. Step 3: Cross multiply
    1,684.90x = 2,527.27 × 589.51
  4. Step 4: Simplify right side
    1,684.90x = 1,489,850.94
  5. Step 5: Solve for x
    x = 1,489,850.94/1,684.90
  6. Step 6: Final answer
    x = 884.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.