Home / 3,075.80-4,244.84-1,816.66

Finding the Fourth Proportional to 3,075.80, 4,244.84 and 1,816.66

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Solution

The fourth proportional to 3,075.80, 4,244.84 and 1,816.66 is: 2,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.80 : 4,244.84 = 1,816.66 : x
  2. Step 2: Convert to fraction form
    3,075.80/4,244.84 = 1,816.66/x
  3. Step 3: Cross multiply
    3,075.80x = 4,244.84 × 1,816.66
  4. Step 4: Simplify right side
    3,075.80x = 7,711,431.03
  5. Step 5: Solve for x
    x = 7,711,431.03/3,075.80
  6. Step 6: Final answer
    x = 2,507.13

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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.