Home / 2,835.21-4,253.58-2,018.70

Finding the Fourth Proportional to 2,835.21, 4,253.58 and 2,018.70

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Solution

The fourth proportional to 2,835.21, 4,253.58 and 2,018.70 is: 3,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.21 : 4,253.58 = 2,018.70 : x
  2. Step 2: Convert to fraction form
    2,835.21/4,253.58 = 2,018.70/x
  3. Step 3: Cross multiply
    2,835.21x = 4,253.58 × 2,018.70
  4. Step 4: Simplify right side
    2,835.21x = 8,586,701.95
  5. Step 5: Solve for x
    x = 8,586,701.95/2,835.21
  6. Step 6: Final answer
    x = 3,028.59

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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.