Home / 3,425.49-4,716.36-2,920.46

Finding the Fourth Proportional to 3,425.49, 4,716.36 and 2,920.46

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Solution

The fourth proportional to 3,425.49, 4,716.36 and 2,920.46 is: 4,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.49 : 4,716.36 = 2,920.46 : x
  2. Step 2: Convert to fraction form
    3,425.49/4,716.36 = 2,920.46/x
  3. Step 3: Cross multiply
    3,425.49x = 4,716.36 × 2,920.46
  4. Step 4: Simplify right side
    3,425.49x = 13,773,917.14
  5. Step 5: Solve for x
    x = 13,773,917.14/3,425.49
  6. Step 6: Final answer
    x = 4,021.01

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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.