Home / 2,855.04-4,277.20-1,392.16

Finding the Fourth Proportional to 2,855.04, 4,277.20 and 1,392.16

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Solution

The fourth proportional to 2,855.04, 4,277.20 and 1,392.16 is: 2,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.04 : 4,277.20 = 1,392.16 : x
  2. Step 2: Convert to fraction form
    2,855.04/4,277.20 = 1,392.16/x
  3. Step 3: Cross multiply
    2,855.04x = 4,277.20 × 1,392.16
  4. Step 4: Simplify right side
    2,855.04x = 5,954,546.75
  5. Step 5: Solve for x
    x = 5,954,546.75/2,855.04
  6. Step 6: Final answer
    x = 2,085.63

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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.