Home / 3,685.44-5,495.37-3,619.92

Finding the Fourth Proportional to 3,685.44, 5,495.37 and 3,619.92

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Solution

The fourth proportional to 3,685.44, 5,495.37 and 3,619.92 is: 5,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.44 : 5,495.37 = 3,619.92 : x
  2. Step 2: Convert to fraction form
    3,685.44/5,495.37 = 3,619.92/x
  3. Step 3: Cross multiply
    3,685.44x = 5,495.37 × 3,619.92
  4. Step 4: Simplify right side
    3,685.44x = 19,892,799.77
  5. Step 5: Solve for x
    x = 19,892,799.77/3,685.44
  6. Step 6: Final answer
    x = 5,397.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.