Home / 2,317.07-3,475.91-1,221.48

Finding the Fourth Proportional to 2,317.07, 3,475.91 and 1,221.48

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Solution

The fourth proportional to 2,317.07, 3,475.91 and 1,221.48 is: 1,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.07 : 3,475.91 = 1,221.48 : x
  2. Step 2: Convert to fraction form
    2,317.07/3,475.91 = 1,221.48/x
  3. Step 3: Cross multiply
    2,317.07x = 3,475.91 × 1,221.48
  4. Step 4: Simplify right side
    2,317.07x = 4,245,757.60
  5. Step 5: Solve for x
    x = 4,245,757.60/2,317.07
  6. Step 6: Final answer
    x = 1,832.38

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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.