Home / 2,512.35-3,465.54-1,628.69

Finding the Fourth Proportional to 2,512.35, 3,465.54 and 1,628.69

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Solution

The fourth proportional to 2,512.35, 3,465.54 and 1,628.69 is: 2,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.35 : 3,465.54 = 1,628.69 : x
  2. Step 2: Convert to fraction form
    2,512.35/3,465.54 = 1,628.69/x
  3. Step 3: Cross multiply
    2,512.35x = 3,465.54 × 1,628.69
  4. Step 4: Simplify right side
    2,512.35x = 5,644,273.01
  5. Step 5: Solve for x
    x = 5,644,273.01/2,512.35
  6. Step 6: Final answer
    x = 2,246.61

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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.