Home / 3,075.83-4,243.62-1,817.29

Finding the Fourth Proportional to 3,075.83, 4,243.62 and 1,817.29

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Solution

The fourth proportional to 3,075.83, 4,243.62 and 1,817.29 is: 2,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.83 : 4,243.62 = 1,817.29 : x
  2. Step 2: Convert to fraction form
    3,075.83/4,243.62 = 1,817.29/x
  3. Step 3: Cross multiply
    3,075.83x = 4,243.62 × 1,817.29
  4. Step 4: Simplify right side
    3,075.83x = 7,711,888.19
  5. Step 5: Solve for x
    x = 7,711,888.19/3,075.83
  6. Step 6: Final answer
    x = 2,507.25

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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.