Home / 3,027.21-4,176.84-1,767.53

Finding the Fourth Proportional to 3,027.21, 4,176.84 and 1,767.53

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Solution

The fourth proportional to 3,027.21, 4,176.84 and 1,767.53 is: 2,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.21 : 4,176.84 = 1,767.53 : x
  2. Step 2: Convert to fraction form
    3,027.21/4,176.84 = 1,767.53/x
  3. Step 3: Cross multiply
    3,027.21x = 4,176.84 × 1,767.53
  4. Step 4: Simplify right side
    3,027.21x = 7,382,690.01
  5. Step 5: Solve for x
    x = 7,382,690.01/3,027.21
  6. Step 6: Final answer
    x = 2,438.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.