Home / 3,636.09-5,453.28-1,170.18

Finding the Fourth Proportional to 3,636.09, 5,453.28 and 1,170.18

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Solution

The fourth proportional to 3,636.09, 5,453.28 and 1,170.18 is: 1,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.09 : 5,453.28 = 1,170.18 : x
  2. Step 2: Convert to fraction form
    3,636.09/5,453.28 = 1,170.18/x
  3. Step 3: Cross multiply
    3,636.09x = 5,453.28 × 1,170.18
  4. Step 4: Simplify right side
    3,636.09x = 6,381,319.19
  5. Step 5: Solve for x
    x = 6,381,319.19/3,636.09
  6. Step 6: Final answer
    x = 1,754.99

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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.