Home / 3,604.74-4,973.40-2,112.90

Finding the Fourth Proportional to 3,604.74, 4,973.40 and 2,112.90

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Solution

The fourth proportional to 3,604.74, 4,973.40 and 2,112.90 is: 2,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.74 : 4,973.40 = 2,112.90 : x
  2. Step 2: Convert to fraction form
    3,604.74/4,973.40 = 2,112.90/x
  3. Step 3: Cross multiply
    3,604.74x = 4,973.40 × 2,112.90
  4. Step 4: Simplify right side
    3,604.74x = 10,508,296.86
  5. Step 5: Solve for x
    x = 10,508,296.86/3,604.74
  6. Step 6: Final answer
    x = 2,915.13

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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.