Home / 1,556.09-2,334.14-401.75

Finding the Fourth Proportional to 1,556.09, 2,334.14 and 401.75

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Solution

The fourth proportional to 1,556.09, 2,334.14 and 401.75 is: 602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.09 : 2,334.14 = 401.75 : x
  2. Step 2: Convert to fraction form
    1,556.09/2,334.14 = 401.75/x
  3. Step 3: Cross multiply
    1,556.09x = 2,334.14 × 401.75
  4. Step 4: Simplify right side
    1,556.09x = 937,738.74
  5. Step 5: Solve for x
    x = 937,738.74/1,556.09
  6. Step 6: Final answer
    x = 602.63

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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.