Home / 3,270.57-4,514.31-2,075.76

Finding the Fourth Proportional to 3,270.57, 4,514.31 and 2,075.76

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Solution

The fourth proportional to 3,270.57, 4,514.31 and 2,075.76 is: 2,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.57 : 4,514.31 = 2,075.76 : x
  2. Step 2: Convert to fraction form
    3,270.57/4,514.31 = 2,075.76/x
  3. Step 3: Cross multiply
    3,270.57x = 4,514.31 × 2,075.76
  4. Step 4: Simplify right side
    3,270.57x = 9,370,624.13
  5. Step 5: Solve for x
    x = 9,370,624.13/3,270.57
  6. Step 6: Final answer
    x = 2,865.13

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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.