Home / 2,731.83-4,095.99-1,172.85

Finding the Fourth Proportional to 2,731.83, 4,095.99 and 1,172.85

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Solution

The fourth proportional to 2,731.83, 4,095.99 and 1,172.85 is: 1,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.83 : 4,095.99 = 1,172.85 : x
  2. Step 2: Convert to fraction form
    2,731.83/4,095.99 = 1,172.85/x
  3. Step 3: Cross multiply
    2,731.83x = 4,095.99 × 1,172.85
  4. Step 4: Simplify right side
    2,731.83x = 4,803,981.87
  5. Step 5: Solve for x
    x = 4,803,981.87/2,731.83
  6. Step 6: Final answer
    x = 1,758.52

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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.