Home / 1,556.19-2,334.12-401.94

Finding the Fourth Proportional to 1,556.19, 2,334.12 and 401.94

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Solution

The fourth proportional to 1,556.19, 2,334.12 and 401.94 is: 602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.19 : 2,334.12 = 401.94 : x
  2. Step 2: Convert to fraction form
    1,556.19/2,334.12 = 401.94/x
  3. Step 3: Cross multiply
    1,556.19x = 2,334.12 × 401.94
  4. Step 4: Simplify right side
    1,556.19x = 938,176.19
  5. Step 5: Solve for x
    x = 938,176.19/1,556.19
  6. Step 6: Final answer
    x = 602.87

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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.