Home / 1,644.10-2,268.61-1,200.63

Finding the Fourth Proportional to 1,644.10, 2,268.61 and 1,200.63

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Solution

The fourth proportional to 1,644.10, 2,268.61 and 1,200.63 is: 1,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.10 : 2,268.61 = 1,200.63 : x
  2. Step 2: Convert to fraction form
    1,644.10/2,268.61 = 1,200.63/x
  3. Step 3: Cross multiply
    1,644.10x = 2,268.61 × 1,200.63
  4. Step 4: Simplify right side
    1,644.10x = 2,723,761.22
  5. Step 5: Solve for x
    x = 2,723,761.22/1,644.10
  6. Step 6: Final answer
    x = 1,656.69

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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.