Home / 1,440.92-2,160.14-1,222.97

Finding the Fourth Proportional to 1,440.92, 2,160.14 and 1,222.97

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Solution

The fourth proportional to 1,440.92, 2,160.14 and 1,222.97 is: 1,833.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.92 : 2,160.14 = 1,222.97 : x
  2. Step 2: Convert to fraction form
    1,440.92/2,160.14 = 1,222.97/x
  3. Step 3: Cross multiply
    1,440.92x = 2,160.14 × 1,222.97
  4. Step 4: Simplify right side
    1,440.92x = 2,641,769.50
  5. Step 5: Solve for x
    x = 2,641,769.50/1,440.92
  6. Step 6: Final answer
    x = 1,833.39

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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.