Home / 3,256.81-4,887.03-1,310.38

Finding the Fourth Proportional to 3,256.81, 4,887.03 and 1,310.38

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Solution

The fourth proportional to 3,256.81, 4,887.03 and 1,310.38 is: 1,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.81 : 4,887.03 = 1,310.38 : x
  2. Step 2: Convert to fraction form
    3,256.81/4,887.03 = 1,310.38/x
  3. Step 3: Cross multiply
    3,256.81x = 4,887.03 × 1,310.38
  4. Step 4: Simplify right side
    3,256.81x = 6,403,841.94
  5. Step 5: Solve for x
    x = 6,403,841.94/3,256.81
  6. Step 6: Final answer
    x = 1,966.30

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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.