Home / 2,624.16-3,928.14-2,160.84

Finding the Fourth Proportional to 2,624.16, 3,928.14 and 2,160.84

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Solution

The fourth proportional to 2,624.16, 3,928.14 and 2,160.84 is: 3,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.16 : 3,928.14 = 2,160.84 : x
  2. Step 2: Convert to fraction form
    2,624.16/3,928.14 = 2,160.84/x
  3. Step 3: Cross multiply
    2,624.16x = 3,928.14 × 2,160.84
  4. Step 4: Simplify right side
    2,624.16x = 8,488,082.04
  5. Step 5: Solve for x
    x = 8,488,082.04/2,624.16
  6. Step 6: Final answer
    x = 3,234.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.