Home / 2,578.57-3,558.36-1,516.35

Finding the Fourth Proportional to 2,578.57, 3,558.36 and 1,516.35

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Solution

The fourth proportional to 2,578.57, 3,558.36 and 1,516.35 is: 2,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.57 : 3,558.36 = 1,516.35 : x
  2. Step 2: Convert to fraction form
    2,578.57/3,558.36 = 1,516.35/x
  3. Step 3: Cross multiply
    2,578.57x = 3,558.36 × 1,516.35
  4. Step 4: Simplify right side
    2,578.57x = 5,395,719.19
  5. Step 5: Solve for x
    x = 5,395,719.19/2,578.57
  6. Step 6: Final answer
    x = 2,092.52

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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.