Home / 1,460.43-2,189.91-486.18

Finding the Fourth Proportional to 1,460.43, 2,189.91 and 486.18

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Solution

The fourth proportional to 1,460.43, 2,189.91 and 486.18 is: 729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.43 : 2,189.91 = 486.18 : x
  2. Step 2: Convert to fraction form
    1,460.43/2,189.91 = 486.18/x
  3. Step 3: Cross multiply
    1,460.43x = 2,189.91 × 486.18
  4. Step 4: Simplify right side
    1,460.43x = 1,064,690.44
  5. Step 5: Solve for x
    x = 1,064,690.44/1,460.43
  6. Step 6: Final answer
    x = 729.03

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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.