Home / 3,199.40-4,402.37-2,453.07

Finding the Fourth Proportional to 3,199.40, 4,402.37 and 2,453.07

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Solution

The fourth proportional to 3,199.40, 4,402.37 and 2,453.07 is: 3,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.40 : 4,402.37 = 2,453.07 : x
  2. Step 2: Convert to fraction form
    3,199.40/4,402.37 = 2,453.07/x
  3. Step 3: Cross multiply
    3,199.40x = 4,402.37 × 2,453.07
  4. Step 4: Simplify right side
    3,199.40x = 10,799,309.51
  5. Step 5: Solve for x
    x = 10,799,309.51/3,199.40
  6. Step 6: Final answer
    x = 3,375.42

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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.