Home / 2,775.72-4,166.98-1,296.36

Finding the Fourth Proportional to 2,775.72, 4,166.98 and 1,296.36

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Solution

The fourth proportional to 2,775.72, 4,166.98 and 1,296.36 is: 1,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.72 : 4,166.98 = 1,296.36 : x
  2. Step 2: Convert to fraction form
    2,775.72/4,166.98 = 1,296.36/x
  3. Step 3: Cross multiply
    2,775.72x = 4,166.98 × 1,296.36
  4. Step 4: Simplify right side
    2,775.72x = 5,401,906.19
  5. Step 5: Solve for x
    x = 5,401,906.19/2,775.72
  6. Step 6: Final answer
    x = 1,946.13

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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.