Home / 1,864.82-2,573.62-1,025.68

Finding the Fourth Proportional to 1,864.82, 2,573.62 and 1,025.68

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Solution

The fourth proportional to 1,864.82, 2,573.62 and 1,025.68 is: 1,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.82 : 2,573.62 = 1,025.68 : x
  2. Step 2: Convert to fraction form
    1,864.82/2,573.62 = 1,025.68/x
  3. Step 3: Cross multiply
    1,864.82x = 2,573.62 × 1,025.68
  4. Step 4: Simplify right side
    1,864.82x = 2,639,710.56
  5. Step 5: Solve for x
    x = 2,639,710.56/1,864.82
  6. Step 6: Final answer
    x = 1,415.53

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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.