Home / 2,193.31-3,289.09-1,038.25

Finding the Fourth Proportional to 2,193.31, 3,289.09 and 1,038.25

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Solution

The fourth proportional to 2,193.31, 3,289.09 and 1,038.25 is: 1,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.31 : 3,289.09 = 1,038.25 : x
  2. Step 2: Convert to fraction form
    2,193.31/3,289.09 = 1,038.25/x
  3. Step 3: Cross multiply
    2,193.31x = 3,289.09 × 1,038.25
  4. Step 4: Simplify right side
    2,193.31x = 3,414,897.69
  5. Step 5: Solve for x
    x = 3,414,897.69/2,193.31
  6. Step 6: Final answer
    x = 1,556.96

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1.5x scale

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.