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Finding the Fourth Proportional to 2,321.54, 3,482.48 and 934.89

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Solution

The fourth proportional to 2,321.54, 3,482.48 and 934.89 is: 1,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.54 : 3,482.48 = 934.89 : x
  2. Step 2: Convert to fraction form
    2,321.54/3,482.48 = 934.89/x
  3. Step 3: Cross multiply
    2,321.54x = 3,482.48 × 934.89
  4. Step 4: Simplify right side
    2,321.54x = 3,255,738.06
  5. Step 5: Solve for x
    x = 3,255,738.06/2,321.54
  6. Step 6: Final answer
    x = 1,402.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.