Home / 1,893.87-2,610.45-1,556.55

Finding the Fourth Proportional to 1,893.87, 2,610.45 and 1,556.55

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Solution

The fourth proportional to 1,893.87, 2,610.45 and 1,556.55 is: 2,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.87 : 2,610.45 = 1,556.55 : x
  2. Step 2: Convert to fraction form
    1,893.87/2,610.45 = 1,556.55/x
  3. Step 3: Cross multiply
    1,893.87x = 2,610.45 × 1,556.55
  4. Step 4: Simplify right side
    1,893.87x = 4,063,295.95
  5. Step 5: Solve for x
    x = 4,063,295.95/1,893.87
  6. Step 6: Final answer
    x = 2,145.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.