Home / 2,778.57-4,160.43-1,477.26

Finding the Fourth Proportional to 2,778.57, 4,160.43 and 1,477.26

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Solution

The fourth proportional to 2,778.57, 4,160.43 and 1,477.26 is: 2,211.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.57 : 4,160.43 = 1,477.26 : x
  2. Step 2: Convert to fraction form
    2,778.57/4,160.43 = 1,477.26/x
  3. Step 3: Cross multiply
    2,778.57x = 4,160.43 × 1,477.26
  4. Step 4: Simplify right side
    2,778.57x = 6,146,036.82
  5. Step 5: Solve for x
    x = 6,146,036.82/2,778.57
  6. Step 6: Final answer
    x = 2,211.94

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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.