Home / 2,791.78-4,187.70-1,060

Finding the Fourth Proportional to 2,791.78, 4,187.70 and 1,060

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Solution

The fourth proportional to 2,791.78, 4,187.70 and 1,060 is: 1,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.78 : 4,187.70 = 1,060 : x
  2. Step 2: Convert to fraction form
    2,791.78/4,187.70 = 1,060/x
  3. Step 3: Cross multiply
    2,791.78x = 4,187.70 × 1,060
  4. Step 4: Simplify right side
    2,791.78x = 4,438,962
  5. Step 5: Solve for x
    x = 4,438,962/2,791.78
  6. Step 6: Final answer
    x = 1,590.01

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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.