Home / 3,779.63-5,214.20-2,519.45

Finding the Fourth Proportional to 3,779.63, 5,214.20 and 2,519.45

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Solution

The fourth proportional to 3,779.63, 5,214.20 and 2,519.45 is: 3,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.63 : 5,214.20 = 2,519.45 : x
  2. Step 2: Convert to fraction form
    3,779.63/5,214.20 = 2,519.45/x
  3. Step 3: Cross multiply
    3,779.63x = 5,214.20 × 2,519.45
  4. Step 4: Simplify right side
    3,779.63x = 13,136,877.52
  5. Step 5: Solve for x
    x = 13,136,877.52/3,779.63
  6. Step 6: Final answer
    x = 3,475.71

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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.