Home / 1,953.68-2,696.96-1,246.47

Finding the Fourth Proportional to 1,953.68, 2,696.96 and 1,246.47

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Solution

The fourth proportional to 1,953.68, 2,696.96 and 1,246.47 is: 1,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.68 : 2,696.96 = 1,246.47 : x
  2. Step 2: Convert to fraction form
    1,953.68/2,696.96 = 1,246.47/x
  3. Step 3: Cross multiply
    1,953.68x = 2,696.96 × 1,246.47
  4. Step 4: Simplify right side
    1,953.68x = 3,361,679.73
  5. Step 5: Solve for x
    x = 3,361,679.73/1,953.68
  6. Step 6: Final answer
    x = 1,720.69

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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.