Home / 3,068.21-4,234.11-1,670.96

Finding the Fourth Proportional to 3,068.21, 4,234.11 and 1,670.96

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Solution

The fourth proportional to 3,068.21, 4,234.11 and 1,670.96 is: 2,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.21 : 4,234.11 = 1,670.96 : x
  2. Step 2: Convert to fraction form
    3,068.21/4,234.11 = 1,670.96/x
  3. Step 3: Cross multiply
    3,068.21x = 4,234.11 × 1,670.96
  4. Step 4: Simplify right side
    3,068.21x = 7,075,028.45
  5. Step 5: Solve for x
    x = 7,075,028.45/3,068.21
  6. Step 6: Final answer
    x = 2,305.91

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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.