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Finding the Fourth Proportional to 1,740.79, 2,402.26 and 954.84

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Solution

The fourth proportional to 1,740.79, 2,402.26 and 954.84 is: 1,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.79 : 2,402.26 = 954.84 : x
  2. Step 2: Convert to fraction form
    1,740.79/2,402.26 = 954.84/x
  3. Step 3: Cross multiply
    1,740.79x = 2,402.26 × 954.84
  4. Step 4: Simplify right side
    1,740.79x = 2,293,767.05
  5. Step 5: Solve for x
    x = 2,293,767.05/1,740.79
  6. Step 6: Final answer
    x = 1,317.66

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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.