Home / 2,270.92-3,133.14-1,339.24

Finding the Fourth Proportional to 2,270.92, 3,133.14 and 1,339.24

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Solution

The fourth proportional to 2,270.92, 3,133.14 and 1,339.24 is: 1,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.92 : 3,133.14 = 1,339.24 : x
  2. Step 2: Convert to fraction form
    2,270.92/3,133.14 = 1,339.24/x
  3. Step 3: Cross multiply
    2,270.92x = 3,133.14 × 1,339.24
  4. Step 4: Simplify right side
    2,270.92x = 4,196,026.41
  5. Step 5: Solve for x
    x = 4,196,026.41/2,270.92
  6. Step 6: Final answer
    x = 1,847.72

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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.