Home / 3,418.99-4,717.37-1,926.91

Finding the Fourth Proportional to 3,418.99, 4,717.37 and 1,926.91

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Solution

The fourth proportional to 3,418.99, 4,717.37 and 1,926.91 is: 2,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.99 : 4,717.37 = 1,926.91 : x
  2. Step 2: Convert to fraction form
    3,418.99/4,717.37 = 1,926.91/x
  3. Step 3: Cross multiply
    3,418.99x = 4,717.37 × 1,926.91
  4. Step 4: Simplify right side
    3,418.99x = 9,089,923.84
  5. Step 5: Solve for x
    x = 9,089,923.84/3,418.99
  6. Step 6: Final answer
    x = 2,658.66

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1.5x scale

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.