Home / 3,637.26-5,021.19-2,779.47

Finding the Fourth Proportional to 3,637.26, 5,021.19 and 2,779.47

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Solution

The fourth proportional to 3,637.26, 5,021.19 and 2,779.47 is: 3,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.26 : 5,021.19 = 2,779.47 : x
  2. Step 2: Convert to fraction form
    3,637.26/5,021.19 = 2,779.47/x
  3. Step 3: Cross multiply
    3,637.26x = 5,021.19 × 2,779.47
  4. Step 4: Simplify right side
    3,637.26x = 13,956,246.97
  5. Step 5: Solve for x
    x = 13,956,246.97/3,637.26
  6. Step 6: Final answer
    x = 3,837.02

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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.