Home / 3,604.39-4,973.88-2,112.45

Finding the Fourth Proportional to 3,604.39, 4,973.88 and 2,112.45

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Solution

The fourth proportional to 3,604.39, 4,973.88 and 2,112.45 is: 2,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.39 : 4,973.88 = 2,112.45 : x
  2. Step 2: Convert to fraction form
    3,604.39/4,973.88 = 2,112.45/x
  3. Step 3: Cross multiply
    3,604.39x = 4,973.88 × 2,112.45
  4. Step 4: Simplify right side
    3,604.39x = 10,507,072.81
  5. Step 5: Solve for x
    x = 10,507,072.81/3,604.39
  6. Step 6: Final answer
    x = 2,915.08

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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.