Home / 1,644.79-2,251.65-1,633.07

Finding the Fourth Proportional to 1,644.79, 2,251.65 and 1,633.07

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Solution

The fourth proportional to 1,644.79, 2,251.65 and 1,633.07 is: 2,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.79 : 2,251.65 = 1,633.07 : x
  2. Step 2: Convert to fraction form
    1,644.79/2,251.65 = 1,633.07/x
  3. Step 3: Cross multiply
    1,644.79x = 2,251.65 × 1,633.07
  4. Step 4: Simplify right side
    1,644.79x = 3,677,102.07
  5. Step 5: Solve for x
    x = 3,677,102.07/1,644.79
  6. Step 6: Final answer
    x = 2,235.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.