Home / 2,528.74-3,789.78-1,792.36

Finding the Fourth Proportional to 2,528.74, 3,789.78 and 1,792.36

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Solution

The fourth proportional to 2,528.74, 3,789.78 and 1,792.36 is: 2,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.74 : 3,789.78 = 1,792.36 : x
  2. Step 2: Convert to fraction form
    2,528.74/3,789.78 = 1,792.36/x
  3. Step 3: Cross multiply
    2,528.74x = 3,789.78 × 1,792.36
  4. Step 4: Simplify right side
    2,528.74x = 6,792,650.08
  5. Step 5: Solve for x
    x = 6,792,650.08/2,528.74
  6. Step 6: Final answer
    x = 2,686.18

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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.