Home / 3,457.20-5,187.24-2,763.12

Finding the Fourth Proportional to 3,457.20, 5,187.24 and 2,763.12

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Solution

The fourth proportional to 3,457.20, 5,187.24 and 2,763.12 is: 4,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.20 : 5,187.24 = 2,763.12 : x
  2. Step 2: Convert to fraction form
    3,457.20/5,187.24 = 2,763.12/x
  3. Step 3: Cross multiply
    3,457.20x = 5,187.24 × 2,763.12
  4. Step 4: Simplify right side
    3,457.20x = 14,332,966.59
  5. Step 5: Solve for x
    x = 14,332,966.59/3,457.20
  6. Step 6: Final answer
    x = 4,145.83

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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.