Home / 3,071.43-4,608.96-1,223.40

Finding the Fourth Proportional to 3,071.43, 4,608.96 and 1,223.40

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Solution

The fourth proportional to 3,071.43, 4,608.96 and 1,223.40 is: 1,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.43 : 4,608.96 = 1,223.40 : x
  2. Step 2: Convert to fraction form
    3,071.43/4,608.96 = 1,223.40/x
  3. Step 3: Cross multiply
    3,071.43x = 4,608.96 × 1,223.40
  4. Step 4: Simplify right side
    3,071.43x = 5,638,601.66
  5. Step 5: Solve for x
    x = 5,638,601.66/3,071.43
  6. Step 6: Final answer
    x = 1,835.82

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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.