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Finding the Fourth Proportional to 1,740.73, 2,402.37 and 994.74

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Solution

The fourth proportional to 1,740.73, 2,402.37 and 994.74 is: 1,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.73 : 2,402.37 = 994.74 : x
  2. Step 2: Convert to fraction form
    1,740.73/2,402.37 = 994.74/x
  3. Step 3: Cross multiply
    1,740.73x = 2,402.37 × 994.74
  4. Step 4: Simplify right side
    1,740.73x = 2,389,733.53
  5. Step 5: Solve for x
    x = 2,389,733.53/1,740.73
  6. Step 6: Final answer
    x = 1,372.83

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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.