Home / 2,295.79-3,166.76-1,911.54

Finding the Fourth Proportional to 2,295.79, 3,166.76 and 1,911.54

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Solution

The fourth proportional to 2,295.79, 3,166.76 and 1,911.54 is: 2,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.79 : 3,166.76 = 1,911.54 : x
  2. Step 2: Convert to fraction form
    2,295.79/3,166.76 = 1,911.54/x
  3. Step 3: Cross multiply
    2,295.79x = 3,166.76 × 1,911.54
  4. Step 4: Simplify right side
    2,295.79x = 6,053,388.41
  5. Step 5: Solve for x
    x = 6,053,388.41/2,295.79
  6. Step 6: Final answer
    x = 2,636.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.