Home / 3,463.72-4,779.95-1,891.85

Finding the Fourth Proportional to 3,463.72, 4,779.95 and 1,891.85

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Solution

The fourth proportional to 3,463.72, 4,779.95 and 1,891.85 is: 2,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.72 : 4,779.95 = 1,891.85 : x
  2. Step 2: Convert to fraction form
    3,463.72/4,779.95 = 1,891.85/x
  3. Step 3: Cross multiply
    3,463.72x = 4,779.95 × 1,891.85
  4. Step 4: Simplify right side
    3,463.72x = 9,042,915.05
  5. Step 5: Solve for x
    x = 9,042,915.05/3,463.72
  6. Step 6: Final answer
    x = 2,610.75

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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.