Home / 3,068.21-4,602.36-1,120.61

Finding the Fourth Proportional to 3,068.21, 4,602.36 and 1,120.61

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Solution

The fourth proportional to 3,068.21, 4,602.36 and 1,120.61 is: 1,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.21 : 4,602.36 = 1,120.61 : x
  2. Step 2: Convert to fraction form
    3,068.21/4,602.36 = 1,120.61/x
  3. Step 3: Cross multiply
    3,068.21x = 4,602.36 × 1,120.61
  4. Step 4: Simplify right side
    3,068.21x = 5,157,450.64
  5. Step 5: Solve for x
    x = 5,157,450.64/3,068.21
  6. Step 6: Final answer
    x = 1,680.93

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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.