Home / 3,418.30-4,717.47-1,926.35

Finding the Fourth Proportional to 3,418.30, 4,717.47 and 1,926.35

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Solution

The fourth proportional to 3,418.30, 4,717.47 and 1,926.35 is: 2,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.30 : 4,717.47 = 1,926.35 : x
  2. Step 2: Convert to fraction form
    3,418.30/4,717.47 = 1,926.35/x
  3. Step 3: Cross multiply
    3,418.30x = 4,717.47 × 1,926.35
  4. Step 4: Simplify right side
    3,418.30x = 9,087,498.33
  5. Step 5: Solve for x
    x = 9,087,498.33/3,418.30
  6. Step 6: Final answer
    x = 2,658.48

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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.