Home / 3,162.23-4,743.86-1,188.01

Finding the Fourth Proportional to 3,162.23, 4,743.86 and 1,188.01

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Solution

The fourth proportional to 3,162.23, 4,743.86 and 1,188.01 is: 1,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.23 : 4,743.86 = 1,188.01 : x
  2. Step 2: Convert to fraction form
    3,162.23/4,743.86 = 1,188.01/x
  3. Step 3: Cross multiply
    3,162.23x = 4,743.86 × 1,188.01
  4. Step 4: Simplify right side
    3,162.23x = 5,635,753.11
  5. Step 5: Solve for x
    x = 5,635,753.11/3,162.23
  6. Step 6: Final answer
    x = 1,782.21

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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.