Home / 2,642.08-3,645.12-1,593.76

Finding the Fourth Proportional to 2,642.08, 3,645.12 and 1,593.76

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Solution

The fourth proportional to 2,642.08, 3,645.12 and 1,593.76 is: 2,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.08 : 3,645.12 = 1,593.76 : x
  2. Step 2: Convert to fraction form
    2,642.08/3,645.12 = 1,593.76/x
  3. Step 3: Cross multiply
    2,642.08x = 3,645.12 × 1,593.76
  4. Step 4: Simplify right side
    2,642.08x = 5,809,446.45
  5. Step 5: Solve for x
    x = 5,809,446.45/2,642.08
  6. Step 6: Final answer
    x = 2,198.82

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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.