Home / 2,027.85-3,035.70-1,907.70

Finding the Fourth Proportional to 2,027.85, 3,035.70 and 1,907.70

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Solution

The fourth proportional to 2,027.85, 3,035.70 and 1,907.70 is: 2,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.85 : 3,035.70 = 1,907.70 : x
  2. Step 2: Convert to fraction form
    2,027.85/3,035.70 = 1,907.70/x
  3. Step 3: Cross multiply
    2,027.85x = 3,035.70 × 1,907.70
  4. Step 4: Simplify right side
    2,027.85x = 5,791,204.89
  5. Step 5: Solve for x
    x = 5,791,204.89/2,027.85
  6. Step 6: Final answer
    x = 2,855.83

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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.