Home / 3,027.60-4,542.09-1,271.61

Finding the Fourth Proportional to 3,027.60, 4,542.09 and 1,271.61

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Solution

The fourth proportional to 3,027.60, 4,542.09 and 1,271.61 is: 1,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.60 : 4,542.09 = 1,271.61 : x
  2. Step 2: Convert to fraction form
    3,027.60/4,542.09 = 1,271.61/x
  3. Step 3: Cross multiply
    3,027.60x = 4,542.09 × 1,271.61
  4. Step 4: Simplify right side
    3,027.60x = 5,775,767.06
  5. Step 5: Solve for x
    x = 5,775,767.06/3,027.60
  6. Step 6: Final answer
    x = 1,907.70

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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.