Home / 2,042.60-3,055.80-1,771.70

Finding the Fourth Proportional to 2,042.60, 3,055.80 and 1,771.70

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Solution

The fourth proportional to 2,042.60, 3,055.80 and 1,771.70 is: 2,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.60 : 3,055.80 = 1,771.70 : x
  2. Step 2: Convert to fraction form
    2,042.60/3,055.80 = 1,771.70/x
  3. Step 3: Cross multiply
    2,042.60x = 3,055.80 × 1,771.70
  4. Step 4: Simplify right side
    2,042.60x = 5,413,960.86
  5. Step 5: Solve for x
    x = 5,413,960.86/2,042.60
  6. Step 6: Final answer
    x = 2,650.52

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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.