Home / 2,170.91-2,997.45-1,332.77

Finding the Fourth Proportional to 2,170.91, 2,997.45 and 1,332.77

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Solution

The fourth proportional to 2,170.91, 2,997.45 and 1,332.77 is: 1,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.91 : 2,997.45 = 1,332.77 : x
  2. Step 2: Convert to fraction form
    2,170.91/2,997.45 = 1,332.77/x
  3. Step 3: Cross multiply
    2,170.91x = 2,997.45 × 1,332.77
  4. Step 4: Simplify right side
    2,170.91x = 3,994,896.45
  5. Step 5: Solve for x
    x = 3,994,896.45/2,170.91
  6. Step 6: Final answer
    x = 1,840.19

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,171.91, 2,998.83 and 1,333.77
Similar ratio
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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.