Home / 2,776.17-4,164.12-1,722.09

Finding the Fourth Proportional to 2,776.17, 4,164.12 and 1,722.09

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Solution

The fourth proportional to 2,776.17, 4,164.12 and 1,722.09 is: 2,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.17 : 4,164.12 = 1,722.09 : x
  2. Step 2: Convert to fraction form
    2,776.17/4,164.12 = 1,722.09/x
  3. Step 3: Cross multiply
    2,776.17x = 4,164.12 × 1,722.09
  4. Step 4: Simplify right side
    2,776.17x = 7,170,989.41
  5. Step 5: Solve for x
    x = 7,170,989.41/2,776.17
  6. Step 6: Final answer
    x = 2,583.05

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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.