Home / 2,968.95-4,451.79-1,215.19

Finding the Fourth Proportional to 2,968.95, 4,451.79 and 1,215.19

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Solution

The fourth proportional to 2,968.95, 4,451.79 and 1,215.19 is: 1,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.95 : 4,451.79 = 1,215.19 : x
  2. Step 2: Convert to fraction form
    2,968.95/4,451.79 = 1,215.19/x
  3. Step 3: Cross multiply
    2,968.95x = 4,451.79 × 1,215.19
  4. Step 4: Simplify right side
    2,968.95x = 5,409,755.00
  5. Step 5: Solve for x
    x = 5,409,755.00/2,968.95
  6. Step 6: Final answer
    x = 1,822.11

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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.