Home / 3,418.80-4,718.04-1,926.48

Finding the Fourth Proportional to 3,418.80, 4,718.04 and 1,926.48

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Solution

The fourth proportional to 3,418.80, 4,718.04 and 1,926.48 is: 2,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.80 : 4,718.04 = 1,926.48 : x
  2. Step 2: Convert to fraction form
    3,418.80/4,718.04 = 1,926.48/x
  3. Step 3: Cross multiply
    3,418.80x = 4,718.04 × 1,926.48
  4. Step 4: Simplify right side
    3,418.80x = 9,089,209.70
  5. Step 5: Solve for x
    x = 9,089,209.70/3,418.80
  6. Step 6: Final answer
    x = 2,658.60

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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.