Home / 3,393.39-5,075.51-3,020.79

Finding the Fourth Proportional to 3,393.39, 5,075.51 and 3,020.79

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Solution

The fourth proportional to 3,393.39, 5,075.51 and 3,020.79 is: 4,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.39 : 5,075.51 = 3,020.79 : x
  2. Step 2: Convert to fraction form
    3,393.39/5,075.51 = 3,020.79/x
  3. Step 3: Cross multiply
    3,393.39x = 5,075.51 × 3,020.79
  4. Step 4: Simplify right side
    3,393.39x = 15,332,034.75
  5. Step 5: Solve for x
    x = 15,332,034.75/3,393.39
  6. Step 6: Final answer
    x = 4,518.21

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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.