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Finding the Fourth Proportional to 1,740.22, 2,401.39 and 954.11

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Solution

The fourth proportional to 1,740.22, 2,401.39 and 954.11 is: 1,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.22 : 2,401.39 = 954.11 : x
  2. Step 2: Convert to fraction form
    1,740.22/2,401.39 = 954.11/x
  3. Step 3: Cross multiply
    1,740.22x = 2,401.39 × 954.11
  4. Step 4: Simplify right side
    1,740.22x = 2,291,190.21
  5. Step 5: Solve for x
    x = 2,291,190.21/1,740.22
  6. Step 6: Final answer
    x = 1,316.61

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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.