Home / 3,501.08-5,248.38-1,961

Finding the Fourth Proportional to 3,501.08, 5,248.38 and 1,961

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Solution

The fourth proportional to 3,501.08, 5,248.38 and 1,961 is: 2,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.08 : 5,248.38 = 1,961 : x
  2. Step 2: Convert to fraction form
    3,501.08/5,248.38 = 1,961/x
  3. Step 3: Cross multiply
    3,501.08x = 5,248.38 × 1,961
  4. Step 4: Simplify right side
    3,501.08x = 10,292,073.18
  5. Step 5: Solve for x
    x = 10,292,073.18/3,501.08
  6. Step 6: Final answer
    x = 2,939.69

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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.