Home / 2,628.40-3,627.14-1,449.50

Finding the Fourth Proportional to 2,628.40, 3,627.14 and 1,449.50

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Solution

The fourth proportional to 2,628.40, 3,627.14 and 1,449.50 is: 2,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.40 : 3,627.14 = 1,449.50 : x
  2. Step 2: Convert to fraction form
    2,628.40/3,627.14 = 1,449.50/x
  3. Step 3: Cross multiply
    2,628.40x = 3,627.14 × 1,449.50
  4. Step 4: Simplify right side
    2,628.40x = 5,257,539.43
  5. Step 5: Solve for x
    x = 5,257,539.43/2,628.40
  6. Step 6: Final answer
    x = 2,000.28

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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.