Home / 3,075.75-4,615.52-1,615.95

Finding the Fourth Proportional to 3,075.75, 4,615.52 and 1,615.95

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Solution

The fourth proportional to 3,075.75, 4,615.52 and 1,615.95 is: 2,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.75 : 4,615.52 = 1,615.95 : x
  2. Step 2: Convert to fraction form
    3,075.75/4,615.52 = 1,615.95/x
  3. Step 3: Cross multiply
    3,075.75x = 4,615.52 × 1,615.95
  4. Step 4: Simplify right side
    3,075.75x = 7,458,441.46
  5. Step 5: Solve for x
    x = 7,458,441.46/3,075.75
  6. Step 6: Final answer
    x = 2,424.92

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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.