Home / 1,416.35-2,120.88-1,137.41

Finding the Fourth Proportional to 1,416.35, 2,120.88 and 1,137.41

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Solution

The fourth proportional to 1,416.35, 2,120.88 and 1,137.41 is: 1,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.35 : 2,120.88 = 1,137.41 : x
  2. Step 2: Convert to fraction form
    1,416.35/2,120.88 = 1,137.41/x
  3. Step 3: Cross multiply
    1,416.35x = 2,120.88 × 1,137.41
  4. Step 4: Simplify right side
    1,416.35x = 2,412,311.73
  5. Step 5: Solve for x
    x = 2,412,311.73/1,416.35
  6. Step 6: Final answer
    x = 1,703.19

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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.