Home / 3,603.74-4,973.16-2,112.50

Finding the Fourth Proportional to 3,603.74, 4,973.16 and 2,112.50

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Solution

The fourth proportional to 3,603.74, 4,973.16 and 2,112.50 is: 2,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.74 : 4,973.16 = 2,112.50 : x
  2. Step 2: Convert to fraction form
    3,603.74/4,973.16 = 2,112.50/x
  3. Step 3: Cross multiply
    3,603.74x = 4,973.16 × 2,112.50
  4. Step 4: Simplify right side
    3,603.74x = 10,505,800.50
  5. Step 5: Solve for x
    x = 10,505,800.50/3,603.74
  6. Step 6: Final answer
    x = 2,915.25

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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.