Home / 3,613.39-5,420.81-2,054.14

Finding the Fourth Proportional to 3,613.39, 5,420.81 and 2,054.14

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Solution

The fourth proportional to 3,613.39, 5,420.81 and 2,054.14 is: 3,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.39 : 5,420.81 = 2,054.14 : x
  2. Step 2: Convert to fraction form
    3,613.39/5,420.81 = 2,054.14/x
  3. Step 3: Cross multiply
    3,613.39x = 5,420.81 × 2,054.14
  4. Step 4: Simplify right side
    3,613.39x = 11,135,075.55
  5. Step 5: Solve for x
    x = 11,135,075.55/3,613.39
  6. Step 6: Final answer
    x = 3,081.62

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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.