Home / 2,768.04-4,146.66-1,305.18

Finding the Fourth Proportional to 2,768.04, 4,146.66 and 1,305.18

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Solution

The fourth proportional to 2,768.04, 4,146.66 and 1,305.18 is: 1,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.04 : 4,146.66 = 1,305.18 : x
  2. Step 2: Convert to fraction form
    2,768.04/4,146.66 = 1,305.18/x
  3. Step 3: Cross multiply
    2,768.04x = 4,146.66 × 1,305.18
  4. Step 4: Simplify right side
    2,768.04x = 5,412,137.70
  5. Step 5: Solve for x
    x = 5,412,137.70/2,768.04
  6. Step 6: Final answer
    x = 1,955.22

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1.5x scale

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.