Home / 3,122.61-4,680.81-1,736.58

Finding the Fourth Proportional to 3,122.61, 4,680.81 and 1,736.58

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Solution

The fourth proportional to 3,122.61, 4,680.81 and 1,736.58 is: 2,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.61 : 4,680.81 = 1,736.58 : x
  2. Step 2: Convert to fraction form
    3,122.61/4,680.81 = 1,736.58/x
  3. Step 3: Cross multiply
    3,122.61x = 4,680.81 × 1,736.58
  4. Step 4: Simplify right side
    3,122.61x = 8,128,601.03
  5. Step 5: Solve for x
    x = 8,128,601.03/3,122.61
  6. Step 6: Final answer
    x = 2,603.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.