Home / 2,416.47-3,622.87-1,245.21

Finding the Fourth Proportional to 2,416.47, 3,622.87 and 1,245.21

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Solution

The fourth proportional to 2,416.47, 3,622.87 and 1,245.21 is: 1,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.47 : 3,622.87 = 1,245.21 : x
  2. Step 2: Convert to fraction form
    2,416.47/3,622.87 = 1,245.21/x
  3. Step 3: Cross multiply
    2,416.47x = 3,622.87 × 1,245.21
  4. Step 4: Simplify right side
    2,416.47x = 4,511,233.95
  5. Step 5: Solve for x
    x = 4,511,233.95/2,416.47
  6. Step 6: Final answer
    x = 1,866.87

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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.