Home / 2,178.60-3,262.08-1,150.44

Finding the Fourth Proportional to 2,178.60, 3,262.08 and 1,150.44

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Solution

The fourth proportional to 2,178.60, 3,262.08 and 1,150.44 is: 1,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.60 : 3,262.08 = 1,150.44 : x
  2. Step 2: Convert to fraction form
    2,178.60/3,262.08 = 1,150.44/x
  3. Step 3: Cross multiply
    2,178.60x = 3,262.08 × 1,150.44
  4. Step 4: Simplify right side
    2,178.60x = 3,752,827.32
  5. Step 5: Solve for x
    x = 3,752,827.32/2,178.60
  6. Step 6: Final answer
    x = 1,722.59

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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.