Home / 2,678.20-4,015.98-1,582.27

Finding the Fourth Proportional to 2,678.20, 4,015.98 and 1,582.27

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Solution

The fourth proportional to 2,678.20, 4,015.98 and 1,582.27 is: 2,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.20 : 4,015.98 = 1,582.27 : x
  2. Step 2: Convert to fraction form
    2,678.20/4,015.98 = 1,582.27/x
  3. Step 3: Cross multiply
    2,678.20x = 4,015.98 × 1,582.27
  4. Step 4: Simplify right side
    2,678.20x = 6,354,354.63
  5. Step 5: Solve for x
    x = 6,354,354.63/2,678.20
  6. Step 6: Final answer
    x = 2,372.62

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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.