Home / 2,578.71-3,558.66-1,516.26

Finding the Fourth Proportional to 2,578.71, 3,558.66 and 1,516.26

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Solution

The fourth proportional to 2,578.71, 3,558.66 and 1,516.26 is: 2,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.71 : 3,558.66 = 1,516.26 : x
  2. Step 2: Convert to fraction form
    2,578.71/3,558.66 = 1,516.26/x
  3. Step 3: Cross multiply
    2,578.71x = 3,558.66 × 1,516.26
  4. Step 4: Simplify right side
    2,578.71x = 5,395,853.81
  5. Step 5: Solve for x
    x = 5,395,853.81/2,578.71
  6. Step 6: Final answer
    x = 2,092.46

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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.