Home / 2,028.31-3,040.84-874.87

Finding the Fourth Proportional to 2,028.31, 3,040.84 and 874.87

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Solution

The fourth proportional to 2,028.31, 3,040.84 and 874.87 is: 1,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.31 : 3,040.84 = 874.87 : x
  2. Step 2: Convert to fraction form
    2,028.31/3,040.84 = 874.87/x
  3. Step 3: Cross multiply
    2,028.31x = 3,040.84 × 874.87
  4. Step 4: Simplify right side
    2,028.31x = 2,660,339.69
  5. Step 5: Solve for x
    x = 2,660,339.69/2,028.31
  6. Step 6: Final answer
    x = 1,311.60

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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.