Home / 3,265.56-4,493.30-3,187.80

Finding the Fourth Proportional to 3,265.56, 4,493.30 and 3,187.80

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Solution

The fourth proportional to 3,265.56, 4,493.30 and 3,187.80 is: 4,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.56 : 4,493.30 = 3,187.80 : x
  2. Step 2: Convert to fraction form
    3,265.56/4,493.30 = 3,187.80/x
  3. Step 3: Cross multiply
    3,265.56x = 4,493.30 × 3,187.80
  4. Step 4: Simplify right side
    3,265.56x = 14,323,741.74
  5. Step 5: Solve for x
    x = 14,323,741.74/3,265.56
  6. Step 6: Final answer
    x = 4,386.30

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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.