Home / 3,779.86-5,214.39-2,453.98

Finding the Fourth Proportional to 3,779.86, 5,214.39 and 2,453.98

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Solution

The fourth proportional to 3,779.86, 5,214.39 and 2,453.98 is: 3,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.86 : 5,214.39 = 2,453.98 : x
  2. Step 2: Convert to fraction form
    3,779.86/5,214.39 = 2,453.98/x
  3. Step 3: Cross multiply
    3,779.86x = 5,214.39 × 2,453.98
  4. Step 4: Simplify right side
    3,779.86x = 12,796,008.77
  5. Step 5: Solve for x
    x = 12,796,008.77/3,779.86
  6. Step 6: Final answer
    x = 3,385.31

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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.