Home / 2,628.49-3,627.27-1,449.55

Finding the Fourth Proportional to 2,628.49, 3,627.27 and 1,449.55

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Solution

The fourth proportional to 2,628.49, 3,627.27 and 1,449.55 is: 2,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.49 : 3,627.27 = 1,449.55 : x
  2. Step 2: Convert to fraction form
    2,628.49/3,627.27 = 1,449.55/x
  3. Step 3: Cross multiply
    2,628.49x = 3,627.27 × 1,449.55
  4. Step 4: Simplify right side
    2,628.49x = 5,257,909.23
  5. Step 5: Solve for x
    x = 5,257,909.23/2,628.49
  6. Step 6: Final answer
    x = 2,000.35

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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.