Home / 2,979.78-4,468.34-1,592.86

Finding the Fourth Proportional to 2,979.78, 4,468.34 and 1,592.86

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Solution

The fourth proportional to 2,979.78, 4,468.34 and 1,592.86 is: 2,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.78 : 4,468.34 = 1,592.86 : x
  2. Step 2: Convert to fraction form
    2,979.78/4,468.34 = 1,592.86/x
  3. Step 3: Cross multiply
    2,979.78x = 4,468.34 × 1,592.86
  4. Step 4: Simplify right side
    2,979.78x = 7,117,440.05
  5. Step 5: Solve for x
    x = 7,117,440.05/2,979.78
  6. Step 6: Final answer
    x = 2,388.58

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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.