Home / 1,995.32-2,984.14-1,777.56

Finding the Fourth Proportional to 1,995.32, 2,984.14 and 1,777.56

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Solution

The fourth proportional to 1,995.32, 2,984.14 and 1,777.56 is: 2,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.32 : 2,984.14 = 1,777.56 : x
  2. Step 2: Convert to fraction form
    1,995.32/2,984.14 = 1,777.56/x
  3. Step 3: Cross multiply
    1,995.32x = 2,984.14 × 1,777.56
  4. Step 4: Simplify right side
    1,995.32x = 5,304,487.90
  5. Step 5: Solve for x
    x = 5,304,487.90/1,995.32
  6. Step 6: Final answer
    x = 2,658.46

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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.