Home / 2,025-2,793.96-1,140.66

Finding the Fourth Proportional to 2,025, 2,793.96 and 1,140.66

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Solution

The fourth proportional to 2,025, 2,793.96 and 1,140.66 is: 1,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025 : 2,793.96 = 1,140.66 : x
  2. Step 2: Convert to fraction form
    2,025/2,793.96 = 1,140.66/x
  3. Step 3: Cross multiply
    2,025x = 2,793.96 × 1,140.66
  4. Step 4: Simplify right side
    2,025x = 3,186,958.41
  5. Step 5: Solve for x
    x = 3,186,958.41/2,025
  6. Step 6: Final answer
    x = 1,573.81

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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.