Home / 1,696.60-2,542.74-1,309.96

Finding the Fourth Proportional to 1,696.60, 2,542.74 and 1,309.96

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Solution

The fourth proportional to 1,696.60, 2,542.74 and 1,309.96 is: 1,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.60 : 2,542.74 = 1,309.96 : x
  2. Step 2: Convert to fraction form
    1,696.60/2,542.74 = 1,309.96/x
  3. Step 3: Cross multiply
    1,696.60x = 2,542.74 × 1,309.96
  4. Step 4: Simplify right side
    1,696.60x = 3,330,887.69
  5. Step 5: Solve for x
    x = 3,330,887.69/1,696.60
  6. Step 6: Final answer
    x = 1,963.27

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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.