Home / 3,613.47-5,420.96-2,054.19

Finding the Fourth Proportional to 3,613.47, 5,420.96 and 2,054.19

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Solution

The fourth proportional to 3,613.47, 5,420.96 and 2,054.19 is: 3,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.47 : 5,420.96 = 2,054.19 : x
  2. Step 2: Convert to fraction form
    3,613.47/5,420.96 = 2,054.19/x
  3. Step 3: Cross multiply
    3,613.47x = 5,420.96 × 2,054.19
  4. Step 4: Simplify right side
    3,613.47x = 11,135,681.82
  5. Step 5: Solve for x
    x = 11,135,681.82/3,613.47
  6. Step 6: Final answer
    x = 3,081.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.