Home / 1,839.96-2,539.15-1,000.67

Finding the Fourth Proportional to 1,839.96, 2,539.15 and 1,000.67

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Solution

The fourth proportional to 1,839.96, 2,539.15 and 1,000.67 is: 1,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.96 : 2,539.15 = 1,000.67 : x
  2. Step 2: Convert to fraction form
    1,839.96/2,539.15 = 1,000.67/x
  3. Step 3: Cross multiply
    1,839.96x = 2,539.15 × 1,000.67
  4. Step 4: Simplify right side
    1,839.96x = 2,540,851.23
  5. Step 5: Solve for x
    x = 2,540,851.23/1,839.96
  6. Step 6: Final answer
    x = 1,380.93

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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.