Home / 1,556.88-2,334.20-734.70

Finding the Fourth Proportional to 1,556.88, 2,334.20 and 734.70

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Solution

The fourth proportional to 1,556.88, 2,334.20 and 734.70 is: 1,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.88 : 2,334.20 = 734.70 : x
  2. Step 2: Convert to fraction form
    1,556.88/2,334.20 = 734.70/x
  3. Step 3: Cross multiply
    1,556.88x = 2,334.20 × 734.70
  4. Step 4: Simplify right side
    1,556.88x = 1,714,933.07
  5. Step 5: Solve for x
    x = 1,714,933.07/1,556.88
  6. Step 6: Final answer
    x = 1,101.52

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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.