Home / 3,642.94-5,029.18-2,581.58

Finding the Fourth Proportional to 3,642.94, 5,029.18 and 2,581.58

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Solution

The fourth proportional to 3,642.94, 5,029.18 and 2,581.58 is: 3,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.94 : 5,029.18 = 2,581.58 : x
  2. Step 2: Convert to fraction form
    3,642.94/5,029.18 = 2,581.58/x
  3. Step 3: Cross multiply
    3,642.94x = 5,029.18 × 2,581.58
  4. Step 4: Simplify right side
    3,642.94x = 12,983,236.62
  5. Step 5: Solve for x
    x = 12,983,236.62/3,642.94
  6. Step 6: Final answer
    x = 3,563.94

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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.