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Finding the Fourth Proportional to 3,784.95, 5,678.24 and 1,594.71

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Solution

The fourth proportional to 3,784.95, 5,678.24 and 1,594.71 is: 2,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.95 : 5,678.24 = 1,594.71 : x
  2. Step 2: Convert to fraction form
    3,784.95/5,678.24 = 1,594.71/x
  3. Step 3: Cross multiply
    3,784.95x = 5,678.24 × 1,594.71
  4. Step 4: Simplify right side
    3,784.95x = 9,055,138.14
  5. Step 5: Solve for x
    x = 9,055,138.14/3,784.95
  6. Step 6: Final answer
    x = 2,392.41

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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.