Home / 2,556.32-3,835.19-913.03

Finding the Fourth Proportional to 2,556.32, 3,835.19 and 913.03

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Solution

The fourth proportional to 2,556.32, 3,835.19 and 913.03 is: 1,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.32 : 3,835.19 = 913.03 : x
  2. Step 2: Convert to fraction form
    2,556.32/3,835.19 = 913.03/x
  3. Step 3: Cross multiply
    2,556.32x = 3,835.19 × 913.03
  4. Step 4: Simplify right side
    2,556.32x = 3,501,643.53
  5. Step 5: Solve for x
    x = 3,501,643.53/2,556.32
  6. Step 6: Final answer
    x = 1,369.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.