Home / 3,300.12-4,950.63-1,219.86

Finding the Fourth Proportional to 3,300.12, 4,950.63 and 1,219.86

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Solution

The fourth proportional to 3,300.12, 4,950.63 and 1,219.86 is: 1,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.12 : 4,950.63 = 1,219.86 : x
  2. Step 2: Convert to fraction form
    3,300.12/4,950.63 = 1,219.86/x
  3. Step 3: Cross multiply
    3,300.12x = 4,950.63 × 1,219.86
  4. Step 4: Simplify right side
    3,300.12x = 6,039,075.51
  5. Step 5: Solve for x
    x = 6,039,075.51/3,300.12
  6. Step 6: Final answer
    x = 1,829.96

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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.