Home / 3,270.49-4,512.61-2,075.85

Finding the Fourth Proportional to 3,270.49, 4,512.61 and 2,075.85

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Solution

The fourth proportional to 3,270.49, 4,512.61 and 2,075.85 is: 2,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.49 : 4,512.61 = 2,075.85 : x
  2. Step 2: Convert to fraction form
    3,270.49/4,512.61 = 2,075.85/x
  3. Step 3: Cross multiply
    3,270.49x = 4,512.61 × 2,075.85
  4. Step 4: Simplify right side
    3,270.49x = 9,367,501.47
  5. Step 5: Solve for x
    x = 9,367,501.47/3,270.49
  6. Step 6: Final answer
    x = 2,864.25

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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.