Home / 2,845.89-4,269.38-1,384.65

Finding the Fourth Proportional to 2,845.89, 4,269.38 and 1,384.65

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Solution

The fourth proportional to 2,845.89, 4,269.38 and 1,384.65 is: 2,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.89 : 4,269.38 = 1,384.65 : x
  2. Step 2: Convert to fraction form
    2,845.89/4,269.38 = 1,384.65/x
  3. Step 3: Cross multiply
    2,845.89x = 4,269.38 × 1,384.65
  4. Step 4: Simplify right side
    2,845.89x = 5,911,590.09
  5. Step 5: Solve for x
    x = 5,911,590.09/2,845.89
  6. Step 6: Final answer
    x = 2,077.24

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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.