Home / 3,463.45-4,779.49-1,891.55

Finding the Fourth Proportional to 3,463.45, 4,779.49 and 1,891.55

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Solution

The fourth proportional to 3,463.45, 4,779.49 and 1,891.55 is: 2,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.45 : 4,779.49 = 1,891.55 : x
  2. Step 2: Convert to fraction form
    3,463.45/4,779.49 = 1,891.55/x
  3. Step 3: Cross multiply
    3,463.45x = 4,779.49 × 1,891.55
  4. Step 4: Simplify right side
    3,463.45x = 9,040,644.31
  5. Step 5: Solve for x
    x = 9,040,644.31/3,463.45
  6. Step 6: Final answer
    x = 2,610.30

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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.