Home / 2,171.04-2,995.86-1,226.76

Finding the Fourth Proportional to 2,171.04, 2,995.86 and 1,226.76

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Solution

The fourth proportional to 2,171.04, 2,995.86 and 1,226.76 is: 1,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.04 : 2,995.86 = 1,226.76 : x
  2. Step 2: Convert to fraction form
    2,171.04/2,995.86 = 1,226.76/x
  3. Step 3: Cross multiply
    2,171.04x = 2,995.86 × 1,226.76
  4. Step 4: Simplify right side
    2,171.04x = 3,675,201.21
  5. Step 5: Solve for x
    x = 3,675,201.21/2,171.04
  6. Step 6: Final answer
    x = 1,692.83

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,172.04, 2,997.24 and 1,227.76
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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.