Home / 2,245.64-3,362.28-1,696.20

Finding the Fourth Proportional to 2,245.64, 3,362.28 and 1,696.20

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Solution

The fourth proportional to 2,245.64, 3,362.28 and 1,696.20 is: 2,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.64 : 3,362.28 = 1,696.20 : x
  2. Step 2: Convert to fraction form
    2,245.64/3,362.28 = 1,696.20/x
  3. Step 3: Cross multiply
    2,245.64x = 3,362.28 × 1,696.20
  4. Step 4: Simplify right side
    2,245.64x = 5,703,099.34
  5. Step 5: Solve for x
    x = 5,703,099.34/2,245.64
  6. Step 6: Final answer
    x = 2,539.63

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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.