Home / 3,985.44-5,981.93-1,795.20

Finding the Fourth Proportional to 3,985.44, 5,981.93 and 1,795.20

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Solution

The fourth proportional to 3,985.44, 5,981.93 and 1,795.20 is: 2,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.44 : 5,981.93 = 1,795.20 : x
  2. Step 2: Convert to fraction form
    3,985.44/5,981.93 = 1,795.20/x
  3. Step 3: Cross multiply
    3,985.44x = 5,981.93 × 1,795.20
  4. Step 4: Simplify right side
    3,985.44x = 10,738,760.74
  5. Step 5: Solve for x
    x = 10,738,760.74/3,985.44
  6. Step 6: Final answer
    x = 2,694.50

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Double scale
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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.