Home / 2,029.58-3,043.63-989.27

Finding the Fourth Proportional to 2,029.58, 3,043.63 and 989.27

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Solution

The fourth proportional to 2,029.58, 3,043.63 and 989.27 is: 1,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.58 : 3,043.63 = 989.27 : x
  2. Step 2: Convert to fraction form
    2,029.58/3,043.63 = 989.27/x
  3. Step 3: Cross multiply
    2,029.58x = 3,043.63 × 989.27
  4. Step 4: Simplify right side
    2,029.58x = 3,010,971.85
  5. Step 5: Solve for x
    x = 3,010,971.85/2,029.58
  6. Step 6: Final answer
    x = 1,483.54

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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.