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Finding the Fourth Proportional to 2,956.87, 4,080.68 and 1,714.87

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Solution

The fourth proportional to 2,956.87, 4,080.68 and 1,714.87 is: 2,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.87 : 4,080.68 = 1,714.87 : x
  2. Step 2: Convert to fraction form
    2,956.87/4,080.68 = 1,714.87/x
  3. Step 3: Cross multiply
    2,956.87x = 4,080.68 × 1,714.87
  4. Step 4: Simplify right side
    2,956.87x = 6,997,823.37
  5. Step 5: Solve for x
    x = 6,997,823.37/2,956.87
  6. Step 6: Final answer
    x = 2,366.63

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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.