Home / 3,620.51-5,427.67-3,448.28

Finding the Fourth Proportional to 3,620.51, 5,427.67 and 3,448.28

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Solution

The fourth proportional to 3,620.51, 5,427.67 and 3,448.28 is: 5,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.51 : 5,427.67 = 3,448.28 : x
  2. Step 2: Convert to fraction form
    3,620.51/5,427.67 = 3,448.28/x
  3. Step 3: Cross multiply
    3,620.51x = 5,427.67 × 3,448.28
  4. Step 4: Simplify right side
    3,620.51x = 18,716,081.53
  5. Step 5: Solve for x
    x = 18,716,081.53/3,620.51
  6. Step 6: Final answer
    x = 5,169.47

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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.