Home / 4,134.80-5,705.96-2,271.76

Finding the Fourth Proportional to 4,134.80, 5,705.96 and 2,271.76

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Solution

The fourth proportional to 4,134.80, 5,705.96 and 2,271.76 is: 3,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.80 : 5,705.96 = 2,271.76 : x
  2. Step 2: Convert to fraction form
    4,134.80/5,705.96 = 2,271.76/x
  3. Step 3: Cross multiply
    4,134.80x = 5,705.96 × 2,271.76
  4. Step 4: Simplify right side
    4,134.80x = 12,962,571.69
  5. Step 5: Solve for x
    x = 12,962,571.69/4,134.80
  6. Step 6: Final answer
    x = 3,134.99

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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.