Home / 1,578.16-2,355.25-1,514.58

Finding the Fourth Proportional to 1,578.16, 2,355.25 and 1,514.58

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Solution

The fourth proportional to 1,578.16, 2,355.25 and 1,514.58 is: 2,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.16 : 2,355.25 = 1,514.58 : x
  2. Step 2: Convert to fraction form
    1,578.16/2,355.25 = 1,514.58/x
  3. Step 3: Cross multiply
    1,578.16x = 2,355.25 × 1,514.58
  4. Step 4: Simplify right side
    1,578.16x = 3,567,214.55
  5. Step 5: Solve for x
    x = 3,567,214.55/1,578.16
  6. Step 6: Final answer
    x = 2,260.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.