Home / 2,025-2,795.03-1,239.71

Finding the Fourth Proportional to 2,025, 2,795.03 and 1,239.71

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Solution

The fourth proportional to 2,025, 2,795.03 and 1,239.71 is: 1,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025 : 2,795.03 = 1,239.71 : x
  2. Step 2: Convert to fraction form
    2,025/2,795.03 = 1,239.71/x
  3. Step 3: Cross multiply
    2,025x = 2,795.03 × 1,239.71
  4. Step 4: Simplify right side
    2,025x = 3,465,006.47
  5. Step 5: Solve for x
    x = 3,465,006.47/2,025
  6. Step 6: Final answer
    x = 1,711.11

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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.