Home / 2,577.39-3,867.58-1,539.92

Finding the Fourth Proportional to 2,577.39, 3,867.58 and 1,539.92

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Solution

The fourth proportional to 2,577.39, 3,867.58 and 1,539.92 is: 2,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.39 : 3,867.58 = 1,539.92 : x
  2. Step 2: Convert to fraction form
    2,577.39/3,867.58 = 1,539.92/x
  3. Step 3: Cross multiply
    2,577.39x = 3,867.58 × 1,539.92
  4. Step 4: Simplify right side
    2,577.39x = 5,955,752.22
  5. Step 5: Solve for x
    x = 5,955,752.22/2,577.39
  6. Step 6: Final answer
    x = 2,310.77

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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.