Home / 3,537.81-4,881.69-1,965.60

Finding the Fourth Proportional to 3,537.81, 4,881.69 and 1,965.60

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Solution

The fourth proportional to 3,537.81, 4,881.69 and 1,965.60 is: 2,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.81 : 4,881.69 = 1,965.60 : x
  2. Step 2: Convert to fraction form
    3,537.81/4,881.69 = 1,965.60/x
  3. Step 3: Cross multiply
    3,537.81x = 4,881.69 × 1,965.60
  4. Step 4: Simplify right side
    3,537.81x = 9,595,449.86
  5. Step 5: Solve for x
    x = 9,595,449.86/3,537.81
  6. Step 6: Final answer
    x = 2,712.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.