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Finding the Fourth Proportional to 2,892.67, 4,339.46 and 944.40

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Solution

The fourth proportional to 2,892.67, 4,339.46 and 944.40 is: 1,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.67 : 4,339.46 = 944.40 : x
  2. Step 2: Convert to fraction form
    2,892.67/4,339.46 = 944.40/x
  3. Step 3: Cross multiply
    2,892.67x = 4,339.46 × 944.40
  4. Step 4: Simplify right side
    2,892.67x = 4,098,186.02
  5. Step 5: Solve for x
    x = 4,098,186.02/2,892.67
  6. Step 6: Final answer
    x = 1,416.75

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1.5x scale

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.