Home / 3,095.21-4,641.86-1,120.60

Finding the Fourth Proportional to 3,095.21, 4,641.86 and 1,120.60

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Solution

The fourth proportional to 3,095.21, 4,641.86 and 1,120.60 is: 1,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.21 : 4,641.86 = 1,120.60 : x
  2. Step 2: Convert to fraction form
    3,095.21/4,641.86 = 1,120.60/x
  3. Step 3: Cross multiply
    3,095.21x = 4,641.86 × 1,120.60
  4. Step 4: Simplify right side
    3,095.21x = 5,201,671.12
  5. Step 5: Solve for x
    x = 5,201,671.12/3,095.21
  6. Step 6: Final answer
    x = 1,680.56

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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.