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Finding the Fourth Proportional to 1,685.63, 2,326.05 and 967.83

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Solution

The fourth proportional to 1,685.63, 2,326.05 and 967.83 is: 1,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.63 : 2,326.05 = 967.83 : x
  2. Step 2: Convert to fraction form
    1,685.63/2,326.05 = 967.83/x
  3. Step 3: Cross multiply
    1,685.63x = 2,326.05 × 967.83
  4. Step 4: Simplify right side
    1,685.63x = 2,251,220.97
  5. Step 5: Solve for x
    x = 2,251,220.97/1,685.63
  6. Step 6: Final answer
    x = 1,335.54

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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.