Home / 1,845.64-2,546.48-1,285.48

Finding the Fourth Proportional to 1,845.64, 2,546.48 and 1,285.48

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Solution

The fourth proportional to 1,845.64, 2,546.48 and 1,285.48 is: 1,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.64 : 2,546.48 = 1,285.48 : x
  2. Step 2: Convert to fraction form
    1,845.64/2,546.48 = 1,285.48/x
  3. Step 3: Cross multiply
    1,845.64x = 2,546.48 × 1,285.48
  4. Step 4: Simplify right side
    1,845.64x = 3,273,449.11
  5. Step 5: Solve for x
    x = 3,273,449.11/1,845.64
  6. Step 6: Final answer
    x = 1,773.61

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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.