Home / 1,854.62-2,558.18-1,192.30

Finding the Fourth Proportional to 1,854.62, 2,558.18 and 1,192.30

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Solution

The fourth proportional to 1,854.62, 2,558.18 and 1,192.30 is: 1,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.62 : 2,558.18 = 1,192.30 : x
  2. Step 2: Convert to fraction form
    1,854.62/2,558.18 = 1,192.30/x
  3. Step 3: Cross multiply
    1,854.62x = 2,558.18 × 1,192.30
  4. Step 4: Simplify right side
    1,854.62x = 3,050,118.01
  5. Step 5: Solve for x
    x = 3,050,118.01/1,854.62
  6. Step 6: Final answer
    x = 1,644.61

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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.