Home / 2,577.60-3,867.75-2,438.19

Finding the Fourth Proportional to 2,577.60, 3,867.75 and 2,438.19

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Solution

The fourth proportional to 2,577.60, 3,867.75 and 2,438.19 is: 3,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.60 : 3,867.75 = 2,438.19 : x
  2. Step 2: Convert to fraction form
    2,577.60/3,867.75 = 2,438.19/x
  3. Step 3: Cross multiply
    2,577.60x = 3,867.75 × 2,438.19
  4. Step 4: Simplify right side
    2,577.60x = 9,430,309.37
  5. Step 5: Solve for x
    x = 9,430,309.37/2,577.60
  6. Step 6: Final answer
    x = 3,658.56

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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.