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Finding the Fourth Proportional to 1,684.74, 2,527.12 and 589.10

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Solution

The fourth proportional to 1,684.74, 2,527.12 and 589.10 is: 883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.74 : 2,527.12 = 589.10 : x
  2. Step 2: Convert to fraction form
    1,684.74/2,527.12 = 589.10/x
  3. Step 3: Cross multiply
    1,684.74x = 2,527.12 × 589.10
  4. Step 4: Simplify right side
    1,684.74x = 1,488,726.39
  5. Step 5: Solve for x
    x = 1,488,726.39/1,684.74
  6. Step 6: Final answer
    x = 883.65

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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.