Home / 2,585.70-3,873.15-1,935.54

Finding the Fourth Proportional to 2,585.70, 3,873.15 and 1,935.54

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Solution

The fourth proportional to 2,585.70, 3,873.15 and 1,935.54 is: 2,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.70 : 3,873.15 = 1,935.54 : x
  2. Step 2: Convert to fraction form
    2,585.70/3,873.15 = 1,935.54/x
  3. Step 3: Cross multiply
    2,585.70x = 3,873.15 × 1,935.54
  4. Step 4: Simplify right side
    2,585.70x = 7,496,636.75
  5. Step 5: Solve for x
    x = 7,496,636.75/2,585.70
  6. Step 6: Final answer
    x = 2,899.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.