Home / 2,628.18-3,627.45-1,634.31

Finding the Fourth Proportional to 2,628.18, 3,627.45 and 1,634.31

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Solution

The fourth proportional to 2,628.18, 3,627.45 and 1,634.31 is: 2,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.18 : 3,627.45 = 1,634.31 : x
  2. Step 2: Convert to fraction form
    2,628.18/3,627.45 = 1,634.31/x
  3. Step 3: Cross multiply
    2,628.18x = 3,627.45 × 1,634.31
  4. Step 4: Simplify right side
    2,628.18x = 5,928,377.81
  5. Step 5: Solve for x
    x = 5,928,377.81/2,628.18
  6. Step 6: Final answer
    x = 2,255.70

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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.