Home / 2,745.48-3,788.70-1,566.32

Finding the Fourth Proportional to 2,745.48, 3,788.70 and 1,566.32

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Solution

The fourth proportional to 2,745.48, 3,788.70 and 1,566.32 is: 2,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.48 : 3,788.70 = 1,566.32 : x
  2. Step 2: Convert to fraction form
    2,745.48/3,788.70 = 1,566.32/x
  3. Step 3: Cross multiply
    2,745.48x = 3,788.70 × 1,566.32
  4. Step 4: Simplify right side
    2,745.48x = 5,934,316.58
  5. Step 5: Solve for x
    x = 5,934,316.58/2,745.48
  6. Step 6: Final answer
    x = 2,161.49

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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.