Home / 1,556.07-2,334.43-825.45

Finding the Fourth Proportional to 1,556.07, 2,334.43 and 825.45

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Solution

The fourth proportional to 1,556.07, 2,334.43 and 825.45 is: 1,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.07 : 2,334.43 = 825.45 : x
  2. Step 2: Convert to fraction form
    1,556.07/2,334.43 = 825.45/x
  3. Step 3: Cross multiply
    1,556.07x = 2,334.43 × 825.45
  4. Step 4: Simplify right side
    1,556.07x = 1,926,955.24
  5. Step 5: Solve for x
    x = 1,926,955.24/1,556.07
  6. Step 6: Final answer
    x = 1,238.35

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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.