Home / 2,807.26-4,211.02-1,075.76

Finding the Fourth Proportional to 2,807.26, 4,211.02 and 1,075.76

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Solution

The fourth proportional to 2,807.26, 4,211.02 and 1,075.76 is: 1,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.26 : 4,211.02 = 1,075.76 : x
  2. Step 2: Convert to fraction form
    2,807.26/4,211.02 = 1,075.76/x
  3. Step 3: Cross multiply
    2,807.26x = 4,211.02 × 1,075.76
  4. Step 4: Simplify right side
    2,807.26x = 4,530,046.88
  5. Step 5: Solve for x
    x = 4,530,046.88/2,807.26
  6. Step 6: Final answer
    x = 1,613.69

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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.