Home / 2,151.41-3,221.90-1,094.45

Finding the Fourth Proportional to 2,151.41, 3,221.90 and 1,094.45

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Solution

The fourth proportional to 2,151.41, 3,221.90 and 1,094.45 is: 1,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.41 : 3,221.90 = 1,094.45 : x
  2. Step 2: Convert to fraction form
    2,151.41/3,221.90 = 1,094.45/x
  3. Step 3: Cross multiply
    2,151.41x = 3,221.90 × 1,094.45
  4. Step 4: Simplify right side
    2,151.41x = 3,526,195.08
  5. Step 5: Solve for x
    x = 3,526,195.08/2,151.41
  6. Step 6: Final answer
    x = 1,639.01

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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.