Home / 3,765.80-5,193.14-2,487.36

Finding the Fourth Proportional to 3,765.80, 5,193.14 and 2,487.36

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Solution

The fourth proportional to 3,765.80, 5,193.14 and 2,487.36 is: 3,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.80 : 5,193.14 = 2,487.36 : x
  2. Step 2: Convert to fraction form
    3,765.80/5,193.14 = 2,487.36/x
  3. Step 3: Cross multiply
    3,765.80x = 5,193.14 × 2,487.36
  4. Step 4: Simplify right side
    3,765.80x = 12,917,208.71
  5. Step 5: Solve for x
    x = 12,917,208.71/3,765.80
  6. Step 6: Final answer
    x = 3,430.14

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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.