Home / 3,874.32-5,338.27-3,555.84

Finding the Fourth Proportional to 3,874.32, 5,338.27 and 3,555.84

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Solution

The fourth proportional to 3,874.32, 5,338.27 and 3,555.84 is: 4,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.32 : 5,338.27 = 3,555.84 : x
  2. Step 2: Convert to fraction form
    3,874.32/5,338.27 = 3,555.84/x
  3. Step 3: Cross multiply
    3,874.32x = 5,338.27 × 3,555.84
  4. Step 4: Simplify right side
    3,874.32x = 18,982,034.00
  5. Step 5: Solve for x
    x = 18,982,034.00/3,874.32
  6. Step 6: Final answer
    x = 4,899.45

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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.