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Finding the Fourth Proportional to 3,521.99, 4,860.13 and 1,950.12

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Solution

The fourth proportional to 3,521.99, 4,860.13 and 1,950.12 is: 2,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.99 : 4,860.13 = 1,950.12 : x
  2. Step 2: Convert to fraction form
    3,521.99/4,860.13 = 1,950.12/x
  3. Step 3: Cross multiply
    3,521.99x = 4,860.13 × 1,950.12
  4. Step 4: Simplify right side
    3,521.99x = 9,477,836.72
  5. Step 5: Solve for x
    x = 9,477,836.72/3,521.99
  6. Step 6: Final answer
    x = 2,691.05

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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.