Home / 3,300.07-4,950.65-1,220.08

Finding the Fourth Proportional to 3,300.07, 4,950.65 and 1,220.08

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Solution

The fourth proportional to 3,300.07, 4,950.65 and 1,220.08 is: 1,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.07 : 4,950.65 = 1,220.08 : x
  2. Step 2: Convert to fraction form
    3,300.07/4,950.65 = 1,220.08/x
  3. Step 3: Cross multiply
    3,300.07x = 4,950.65 × 1,220.08
  4. Step 4: Simplify right side
    3,300.07x = 6,040,189.05
  5. Step 5: Solve for x
    x = 6,040,189.05/3,300.07
  6. Step 6: Final answer
    x = 1,830.32

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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.