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Finding the Fourth Proportional to 3,300.13, 4,950.13 and 1,326.63

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Solution

The fourth proportional to 3,300.13, 4,950.13 and 1,326.63 is: 1,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.13 : 4,950.13 = 1,326.63 : x
  2. Step 2: Convert to fraction form
    3,300.13/4,950.13 = 1,326.63/x
  3. Step 3: Cross multiply
    3,300.13x = 4,950.13 × 1,326.63
  4. Step 4: Simplify right side
    3,300.13x = 6,566,990.96
  5. Step 5: Solve for x
    x = 6,566,990.96/3,300.13
  6. Step 6: Final answer
    x = 1,989.92

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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.