Home / 2,284.92-3,153.72-1,911.26

Finding the Fourth Proportional to 2,284.92, 3,153.72 and 1,911.26

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Solution

The fourth proportional to 2,284.92, 3,153.72 and 1,911.26 is: 2,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.92 : 3,153.72 = 1,911.26 : x
  2. Step 2: Convert to fraction form
    2,284.92/3,153.72 = 1,911.26/x
  3. Step 3: Cross multiply
    2,284.92x = 3,153.72 × 1,911.26
  4. Step 4: Simplify right side
    2,284.92x = 6,027,578.89
  5. Step 5: Solve for x
    x = 6,027,578.89/2,284.92
  6. Step 6: Final answer
    x = 2,637.98

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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.