Home / 2,071.22-3,106.82-1,944.50

Finding the Fourth Proportional to 2,071.22, 3,106.82 and 1,944.50

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Solution

The fourth proportional to 2,071.22, 3,106.82 and 1,944.50 is: 2,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.22 : 3,106.82 = 1,944.50 : x
  2. Step 2: Convert to fraction form
    2,071.22/3,106.82 = 1,944.50/x
  3. Step 3: Cross multiply
    2,071.22x = 3,106.82 × 1,944.50
  4. Step 4: Simplify right side
    2,071.22x = 6,041,200.82
  5. Step 5: Solve for x
    x = 6,041,200.82/2,071.22
  6. Step 6: Final answer
    x = 2,916.74

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Double scale
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Similar ratio
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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.