Home / 2,807.25-4,211.49-1,075.88

Finding the Fourth Proportional to 2,807.25, 4,211.49 and 1,075.88

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Solution

The fourth proportional to 2,807.25, 4,211.49 and 1,075.88 is: 1,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.25 : 4,211.49 = 1,075.88 : x
  2. Step 2: Convert to fraction form
    2,807.25/4,211.49 = 1,075.88/x
  3. Step 3: Cross multiply
    2,807.25x = 4,211.49 × 1,075.88
  4. Step 4: Simplify right side
    2,807.25x = 4,531,057.86
  5. Step 5: Solve for x
    x = 4,531,057.86/2,807.25
  6. Step 6: Final answer
    x = 1,614.06

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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.