Home / 1,631.36-2,447.82-1,416.44

Finding the Fourth Proportional to 1,631.36, 2,447.82 and 1,416.44

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Solution

The fourth proportional to 1,631.36, 2,447.82 and 1,416.44 is: 2,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.36 : 2,447.82 = 1,416.44 : x
  2. Step 2: Convert to fraction form
    1,631.36/2,447.82 = 1,416.44/x
  3. Step 3: Cross multiply
    1,631.36x = 2,447.82 × 1,416.44
  4. Step 4: Simplify right side
    1,631.36x = 3,467,190.16
  5. Step 5: Solve for x
    x = 3,467,190.16/1,631.36
  6. Step 6: Final answer
    x = 2,125.34

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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.