Home / 1,953.67-2,696.64-1,393.25

Finding the Fourth Proportional to 1,953.67, 2,696.64 and 1,393.25

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Solution

The fourth proportional to 1,953.67, 2,696.64 and 1,393.25 is: 1,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.67 : 2,696.64 = 1,393.25 : x
  2. Step 2: Convert to fraction form
    1,953.67/2,696.64 = 1,393.25/x
  3. Step 3: Cross multiply
    1,953.67x = 2,696.64 × 1,393.25
  4. Step 4: Simplify right side
    1,953.67x = 3,757,097.98
  5. Step 5: Solve for x
    x = 3,757,097.98/1,953.67
  6. Step 6: Final answer
    x = 1,923.10

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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.