Home / 3,027.85-4,535.39-1,385.78

Finding the Fourth Proportional to 3,027.85, 4,535.39 and 1,385.78

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Solution

The fourth proportional to 3,027.85, 4,535.39 and 1,385.78 is: 2,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.85 : 4,535.39 = 1,385.78 : x
  2. Step 2: Convert to fraction form
    3,027.85/4,535.39 = 1,385.78/x
  3. Step 3: Cross multiply
    3,027.85x = 4,535.39 × 1,385.78
  4. Step 4: Simplify right side
    3,027.85x = 6,285,052.75
  5. Step 5: Solve for x
    x = 6,285,052.75/3,027.85
  6. Step 6: Final answer
    x = 2,075.75

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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.