Home / 3,674.11-5,071.72-2,555.70

Finding the Fourth Proportional to 3,674.11, 5,071.72 and 2,555.70

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Solution

The fourth proportional to 3,674.11, 5,071.72 and 2,555.70 is: 3,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.11 : 5,071.72 = 2,555.70 : x
  2. Step 2: Convert to fraction form
    3,674.11/5,071.72 = 2,555.70/x
  3. Step 3: Cross multiply
    3,674.11x = 5,071.72 × 2,555.70
  4. Step 4: Simplify right side
    3,674.11x = 12,961,786.17
  5. Step 5: Solve for x
    x = 12,961,786.17/3,674.11
  6. Step 6: Final answer
    x = 3,527.87

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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.