Home / 2,690.09-4,036.27-2,075.00

Finding the Fourth Proportional to 2,690.09, 4,036.27 and 2,075.00

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Solution

The fourth proportional to 2,690.09, 4,036.27 and 2,075.00 is: 3,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.09 : 4,036.27 = 2,075.00 : x
  2. Step 2: Convert to fraction form
    2,690.09/4,036.27 = 2,075.00/x
  3. Step 3: Cross multiply
    2,690.09x = 4,036.27 × 2,075.00
  4. Step 4: Simplify right side
    2,690.09x = 8,375,234.88
  5. Step 5: Solve for x
    x = 8,375,234.88/2,690.09
  6. Step 6: Final answer
    x = 3,113.37

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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.