Home / 3,075.80-4,605.50-1,611.89

Finding the Fourth Proportional to 3,075.80, 4,605.50 and 1,611.89

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Solution

The fourth proportional to 3,075.80, 4,605.50 and 1,611.89 is: 2,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.80 : 4,605.50 = 1,611.89 : x
  2. Step 2: Convert to fraction form
    3,075.80/4,605.50 = 1,611.89/x
  3. Step 3: Cross multiply
    3,075.80x = 4,605.50 × 1,611.89
  4. Step 4: Simplify right side
    3,075.80x = 7,423,528.31
  5. Step 5: Solve for x
    x = 7,423,528.31/3,075.80
  6. Step 6: Final answer
    x = 2,413.53

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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.