Home / 3,164.48-4,745.84-1,316.08

Finding the Fourth Proportional to 3,164.48, 4,745.84 and 1,316.08

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Solution

The fourth proportional to 3,164.48, 4,745.84 and 1,316.08 is: 1,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.48 : 4,745.84 = 1,316.08 : x
  2. Step 2: Convert to fraction form
    3,164.48/4,745.84 = 1,316.08/x
  3. Step 3: Cross multiply
    3,164.48x = 4,745.84 × 1,316.08
  4. Step 4: Simplify right side
    3,164.48x = 6,245,905.11
  5. Step 5: Solve for x
    x = 6,245,905.11/3,164.48
  6. Step 6: Final answer
    x = 1,973.75

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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.