Home / 4,178.48-5,763.72-2,685.84

Finding the Fourth Proportional to 4,178.48, 5,763.72 and 2,685.84

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Solution

The fourth proportional to 4,178.48, 5,763.72 and 2,685.84 is: 3,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.48 : 5,763.72 = 2,685.84 : x
  2. Step 2: Convert to fraction form
    4,178.48/5,763.72 = 2,685.84/x
  3. Step 3: Cross multiply
    4,178.48x = 5,763.72 × 2,685.84
  4. Step 4: Simplify right side
    4,178.48x = 15,480,429.72
  5. Step 5: Solve for x
    x = 15,480,429.72/4,178.48
  6. Step 6: Final answer
    x = 3,704.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.