Home / 2,503.93-3,453.60-2,171.79

Finding the Fourth Proportional to 2,503.93, 3,453.60 and 2,171.79

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Solution

The fourth proportional to 2,503.93, 3,453.60 and 2,171.79 is: 2,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.93 : 3,453.60 = 2,171.79 : x
  2. Step 2: Convert to fraction form
    2,503.93/3,453.60 = 2,171.79/x
  3. Step 3: Cross multiply
    2,503.93x = 3,453.60 × 2,171.79
  4. Step 4: Simplify right side
    2,503.93x = 7,500,493.94
  5. Step 5: Solve for x
    x = 7,500,493.94/2,503.93
  6. Step 6: Final answer
    x = 2,995.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.