Home / 2,028.60-3,043.22-874.36

Finding the Fourth Proportional to 2,028.60, 3,043.22 and 874.36

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Solution

The fourth proportional to 2,028.60, 3,043.22 and 874.36 is: 1,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.60 : 3,043.22 = 874.36 : x
  2. Step 2: Convert to fraction form
    2,028.60/3,043.22 = 874.36/x
  3. Step 3: Cross multiply
    2,028.60x = 3,043.22 × 874.36
  4. Step 4: Simplify right side
    2,028.60x = 2,660,869.84
  5. Step 5: Solve for x
    x = 2,660,869.84/2,028.60
  6. Step 6: Final answer
    x = 1,311.68

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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.