Home / 3,325.38-4,987.46-1,245.18

Finding the Fourth Proportional to 3,325.38, 4,987.46 and 1,245.18

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Solution

The fourth proportional to 3,325.38, 4,987.46 and 1,245.18 is: 1,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.38 : 4,987.46 = 1,245.18 : x
  2. Step 2: Convert to fraction form
    3,325.38/4,987.46 = 1,245.18/x
  3. Step 3: Cross multiply
    3,325.38x = 4,987.46 × 1,245.18
  4. Step 4: Simplify right side
    3,325.38x = 6,210,285.44
  5. Step 5: Solve for x
    x = 6,210,285.44/3,325.38
  6. Step 6: Final answer
    x = 1,867.54

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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.