Home / 2,975.73-4,461.60-1,309.86

Finding the Fourth Proportional to 2,975.73, 4,461.60 and 1,309.86

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Solution

The fourth proportional to 2,975.73, 4,461.60 and 1,309.86 is: 1,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.73 : 4,461.60 = 1,309.86 : x
  2. Step 2: Convert to fraction form
    2,975.73/4,461.60 = 1,309.86/x
  3. Step 3: Cross multiply
    2,975.73x = 4,461.60 × 1,309.86
  4. Step 4: Simplify right side
    2,975.73x = 5,844,071.38
  5. Step 5: Solve for x
    x = 5,844,071.38/2,975.73
  6. Step 6: Final answer
    x = 1,963.91

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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.