Home / 2,641.08-3,645.92-1,579.32

Finding the Fourth Proportional to 2,641.08, 3,645.92 and 1,579.32

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Solution

The fourth proportional to 2,641.08, 3,645.92 and 1,579.32 is: 2,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.08 : 3,645.92 = 1,579.32 : x
  2. Step 2: Convert to fraction form
    2,641.08/3,645.92 = 1,579.32/x
  3. Step 3: Cross multiply
    2,641.08x = 3,645.92 × 1,579.32
  4. Step 4: Simplify right side
    2,641.08x = 5,758,074.37
  5. Step 5: Solve for x
    x = 5,758,074.37/2,641.08
  6. Step 6: Final answer
    x = 2,180.20

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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.