Home / 3,636.39-5,455.29-1,296.50

Finding the Fourth Proportional to 3,636.39, 5,455.29 and 1,296.50

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Solution

The fourth proportional to 3,636.39, 5,455.29 and 1,296.50 is: 1,944.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.39 : 5,455.29 = 1,296.50 : x
  2. Step 2: Convert to fraction form
    3,636.39/5,455.29 = 1,296.50/x
  3. Step 3: Cross multiply
    3,636.39x = 5,455.29 × 1,296.50
  4. Step 4: Simplify right side
    3,636.39x = 7,072,756.21
  5. Step 5: Solve for x
    x = 7,072,756.21/3,636.39
  6. Step 6: Final answer
    x = 1,944.99

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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.