Home / 1,865.14-2,573.68-1,025.71

Finding the Fourth Proportional to 1,865.14, 2,573.68 and 1,025.71

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Solution

The fourth proportional to 1,865.14, 2,573.68 and 1,025.71 is: 1,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.14 : 2,573.68 = 1,025.71 : x
  2. Step 2: Convert to fraction form
    1,865.14/2,573.68 = 1,025.71/x
  3. Step 3: Cross multiply
    1,865.14x = 2,573.68 × 1,025.71
  4. Step 4: Simplify right side
    1,865.14x = 2,639,849.31
  5. Step 5: Solve for x
    x = 2,639,849.31/1,865.14
  6. Step 6: Final answer
    x = 1,415.36

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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.