Home / 2,316.72-3,473.64-1,291.44

Finding the Fourth Proportional to 2,316.72, 3,473.64 and 1,291.44

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Solution

The fourth proportional to 2,316.72, 3,473.64 and 1,291.44 is: 1,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.72 : 3,473.64 = 1,291.44 : x
  2. Step 2: Convert to fraction form
    2,316.72/3,473.64 = 1,291.44/x
  3. Step 3: Cross multiply
    2,316.72x = 3,473.64 × 1,291.44
  4. Step 4: Simplify right side
    2,316.72x = 4,485,997.64
  5. Step 5: Solve for x
    x = 4,485,997.64/2,316.72
  6. Step 6: Final answer
    x = 1,936.36

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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.