Home / 1,556.25-2,333.57-734.31

Finding the Fourth Proportional to 1,556.25, 2,333.57 and 734.31

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Solution

The fourth proportional to 1,556.25, 2,333.57 and 734.31 is: 1,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.25 : 2,333.57 = 734.31 : x
  2. Step 2: Convert to fraction form
    1,556.25/2,333.57 = 734.31/x
  3. Step 3: Cross multiply
    1,556.25x = 2,333.57 × 734.31
  4. Step 4: Simplify right side
    1,556.25x = 1,713,548.45
  5. Step 5: Solve for x
    x = 1,713,548.45/1,556.25
  6. Step 6: Final answer
    x = 1,101.08

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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.