Home / 2,627.40-3,622.74-1,579.08

Finding the Fourth Proportional to 2,627.40, 3,622.74 and 1,579.08

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Solution

The fourth proportional to 2,627.40, 3,622.74 and 1,579.08 is: 2,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.40 : 3,622.74 = 1,579.08 : x
  2. Step 2: Convert to fraction form
    2,627.40/3,622.74 = 1,579.08/x
  3. Step 3: Cross multiply
    2,627.40x = 3,622.74 × 1,579.08
  4. Step 4: Simplify right side
    2,627.40x = 5,720,596.28
  5. Step 5: Solve for x
    x = 5,720,596.28/2,627.40
  6. Step 6: Final answer
    x = 2,177.28

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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.