Home / 1,460.35-2,190.80-1,231.39

Finding the Fourth Proportional to 1,460.35, 2,190.80 and 1,231.39

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Solution

The fourth proportional to 1,460.35, 2,190.80 and 1,231.39 is: 1,847.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.35 : 2,190.80 = 1,231.39 : x
  2. Step 2: Convert to fraction form
    1,460.35/2,190.80 = 1,231.39/x
  3. Step 3: Cross multiply
    1,460.35x = 2,190.80 × 1,231.39
  4. Step 4: Simplify right side
    1,460.35x = 2,697,729.21
  5. Step 5: Solve for x
    x = 2,697,729.21/1,460.35
  6. Step 6: Final answer
    x = 1,847.32

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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.