Home / 2,161.92-3,244.05-1,511.40

Finding the Fourth Proportional to 2,161.92, 3,244.05 and 1,511.40

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Solution

The fourth proportional to 2,161.92, 3,244.05 and 1,511.40 is: 2,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.92 : 3,244.05 = 1,511.40 : x
  2. Step 2: Convert to fraction form
    2,161.92/3,244.05 = 1,511.40/x
  3. Step 3: Cross multiply
    2,161.92x = 3,244.05 × 1,511.40
  4. Step 4: Simplify right side
    2,161.92x = 4,903,057.17
  5. Step 5: Solve for x
    x = 4,903,057.17/2,161.92
  6. Step 6: Final answer
    x = 2,267.92

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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.