Home / 3,817.56-5,267.34-2,767.80

Finding the Fourth Proportional to 3,817.56, 5,267.34 and 2,767.80

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Solution

The fourth proportional to 3,817.56, 5,267.34 and 2,767.80 is: 3,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.56 : 5,267.34 = 2,767.80 : x
  2. Step 2: Convert to fraction form
    3,817.56/5,267.34 = 2,767.80/x
  3. Step 3: Cross multiply
    3,817.56x = 5,267.34 × 2,767.80
  4. Step 4: Simplify right side
    3,817.56x = 14,578,943.65
  5. Step 5: Solve for x
    x = 14,578,943.65/3,817.56
  6. Step 6: Final answer
    x = 3,818.92

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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.