Home / 2,575.67-3,557.32-1,993.28

Finding the Fourth Proportional to 2,575.67, 3,557.32 and 1,993.28

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Solution

The fourth proportional to 2,575.67, 3,557.32 and 1,993.28 is: 2,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.67 : 3,557.32 = 1,993.28 : x
  2. Step 2: Convert to fraction form
    2,575.67/3,557.32 = 1,993.28/x
  3. Step 3: Cross multiply
    2,575.67x = 3,557.32 × 1,993.28
  4. Step 4: Simplify right side
    2,575.67x = 7,090,712.04
  5. Step 5: Solve for x
    x = 7,090,712.04/2,575.67
  6. Step 6: Final answer
    x = 2,752.96

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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.