Home / 1,867.96-2,577.90-1,039.96

Finding the Fourth Proportional to 1,867.96, 2,577.90 and 1,039.96

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Solution

The fourth proportional to 1,867.96, 2,577.90 and 1,039.96 is: 1,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.96 : 2,577.90 = 1,039.96 : x
  2. Step 2: Convert to fraction form
    1,867.96/2,577.90 = 1,039.96/x
  3. Step 3: Cross multiply
    1,867.96x = 2,577.90 × 1,039.96
  4. Step 4: Simplify right side
    1,867.96x = 2,680,912.88
  5. Step 5: Solve for x
    x = 2,680,912.88/1,867.96
  6. Step 6: Final answer
    x = 1,435.21

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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.