Home / 1,995.28-2,985.20-1,738.24

Finding the Fourth Proportional to 1,995.28, 2,985.20 and 1,738.24

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Solution

The fourth proportional to 1,995.28, 2,985.20 and 1,738.24 is: 2,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.28 : 2,985.20 = 1,738.24 : x
  2. Step 2: Convert to fraction form
    1,995.28/2,985.20 = 1,738.24/x
  3. Step 3: Cross multiply
    1,995.28x = 2,985.20 × 1,738.24
  4. Step 4: Simplify right side
    1,995.28x = 5,188,994.05
  5. Step 5: Solve for x
    x = 5,188,994.05/1,995.28
  6. Step 6: Final answer
    x = 2,600.63

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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.