Home / 3,315.20-4,968.14-2,618.82

Finding the Fourth Proportional to 3,315.20, 4,968.14 and 2,618.82

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Solution

The fourth proportional to 3,315.20, 4,968.14 and 2,618.82 is: 3,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.20 : 4,968.14 = 2,618.82 : x
  2. Step 2: Convert to fraction form
    3,315.20/4,968.14 = 2,618.82/x
  3. Step 3: Cross multiply
    3,315.20x = 4,968.14 × 2,618.82
  4. Step 4: Simplify right side
    3,315.20x = 13,010,651.30
  5. Step 5: Solve for x
    x = 13,010,651.30/3,315.20
  6. Step 6: Final answer
    x = 3,924.55

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1.5x scale

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.