Home / 2,556.57-3,527.94-1,563.51

Finding the Fourth Proportional to 2,556.57, 3,527.94 and 1,563.51

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Solution

The fourth proportional to 2,556.57, 3,527.94 and 1,563.51 is: 2,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.57 : 3,527.94 = 1,563.51 : x
  2. Step 2: Convert to fraction form
    2,556.57/3,527.94 = 1,563.51/x
  3. Step 3: Cross multiply
    2,556.57x = 3,527.94 × 1,563.51
  4. Step 4: Simplify right side
    2,556.57x = 5,515,969.47
  5. Step 5: Solve for x
    x = 5,515,969.47/2,556.57
  6. Step 6: Final answer
    x = 2,157.57

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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.