Home / 2,455.92-3,390.73-1,825.71

Finding the Fourth Proportional to 2,455.92, 3,390.73 and 1,825.71

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Solution

The fourth proportional to 2,455.92, 3,390.73 and 1,825.71 is: 2,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.92 : 3,390.73 = 1,825.71 : x
  2. Step 2: Convert to fraction form
    2,455.92/3,390.73 = 1,825.71/x
  3. Step 3: Cross multiply
    2,455.92x = 3,390.73 × 1,825.71
  4. Step 4: Simplify right side
    2,455.92x = 6,190,472.39
  5. Step 5: Solve for x
    x = 6,190,472.39/2,455.92
  6. Step 6: Final answer
    x = 2,520.63

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1.5x scale

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.