Home / 2,896.06-3,996.60-1,569.80

Finding the Fourth Proportional to 2,896.06, 3,996.60 and 1,569.80

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Solution

The fourth proportional to 2,896.06, 3,996.60 and 1,569.80 is: 2,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.06 : 3,996.60 = 1,569.80 : x
  2. Step 2: Convert to fraction form
    2,896.06/3,996.60 = 1,569.80/x
  3. Step 3: Cross multiply
    2,896.06x = 3,996.60 × 1,569.80
  4. Step 4: Simplify right side
    2,896.06x = 6,273,862.68
  5. Step 5: Solve for x
    x = 6,273,862.68/2,896.06
  6. Step 6: Final answer
    x = 2,166.34

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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.