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Finding the Fourth Proportional to 2,476.20, 3,714.72 and 832.74

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Solution

The fourth proportional to 2,476.20, 3,714.72 and 832.74 is: 1,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.20 : 3,714.72 = 832.74 : x
  2. Step 2: Convert to fraction form
    2,476.20/3,714.72 = 832.74/x
  3. Step 3: Cross multiply
    2,476.20x = 3,714.72 × 832.74
  4. Step 4: Simplify right side
    2,476.20x = 3,093,395.93
  5. Step 5: Solve for x
    x = 3,093,395.93/2,476.20
  6. Step 6: Final answer
    x = 1,249.25

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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.