Home / 3,075.12-4,615.25-2,383.65

Finding the Fourth Proportional to 3,075.12, 4,615.25 and 2,383.65

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Solution

The fourth proportional to 3,075.12, 4,615.25 and 2,383.65 is: 3,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.12 : 4,615.25 = 2,383.65 : x
  2. Step 2: Convert to fraction form
    3,075.12/4,615.25 = 2,383.65/x
  3. Step 3: Cross multiply
    3,075.12x = 4,615.25 × 2,383.65
  4. Step 4: Simplify right side
    3,075.12x = 11,001,128.74
  5. Step 5: Solve for x
    x = 11,001,128.74/3,075.12
  6. Step 6: Final answer
    x = 3,577.46

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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.