Home / 2,972.26-4,101.55-1,627.80

Finding the Fourth Proportional to 2,972.26, 4,101.55 and 1,627.80

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Solution

The fourth proportional to 2,972.26, 4,101.55 and 1,627.80 is: 2,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.26 : 4,101.55 = 1,627.80 : x
  2. Step 2: Convert to fraction form
    2,972.26/4,101.55 = 1,627.80/x
  3. Step 3: Cross multiply
    2,972.26x = 4,101.55 × 1,627.80
  4. Step 4: Simplify right side
    2,972.26x = 6,676,503.09
  5. Step 5: Solve for x
    x = 6,676,503.09/2,972.26
  6. Step 6: Final answer
    x = 2,246.27

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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.