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Finding the Fourth Proportional to 2,956, 4,434 and 904

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Solution

The fourth proportional to 2,956, 4,434 and 904 is: 1,356

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956 : 4,434 = 904 : x
  2. Step 2: Convert to fraction form
    2,956/4,434 = 904/x
  3. Step 3: Cross multiply
    2,956x = 4,434 × 904
  4. Step 4: Simplify right side
    2,956x = 4,008,336
  5. Step 5: Solve for x
    x = 4,008,336/2,956
  6. Step 6: Final answer
    x = 1,356

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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.