Home / 3,105.49-4,656.75-1,460.65

Finding the Fourth Proportional to 3,105.49, 4,656.75 and 1,460.65

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Solution

The fourth proportional to 3,105.49, 4,656.75 and 1,460.65 is: 2,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.49 : 4,656.75 = 1,460.65 : x
  2. Step 2: Convert to fraction form
    3,105.49/4,656.75 = 1,460.65/x
  3. Step 3: Cross multiply
    3,105.49x = 4,656.75 × 1,460.65
  4. Step 4: Simplify right side
    3,105.49x = 6,801,881.89
  5. Step 5: Solve for x
    x = 6,801,881.89/3,105.49
  6. Step 6: Final answer
    x = 2,190.28

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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.