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Finding the Fourth Proportional to 3,143.08, 4,714.35 and 952.30

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Solution

The fourth proportional to 3,143.08, 4,714.35 and 952.30 is: 1,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.08 : 4,714.35 = 952.30 : x
  2. Step 2: Convert to fraction form
    3,143.08/4,714.35 = 952.30/x
  3. Step 3: Cross multiply
    3,143.08x = 4,714.35 × 952.30
  4. Step 4: Simplify right side
    3,143.08x = 4,489,475.51
  5. Step 5: Solve for x
    x = 4,489,475.51/3,143.08
  6. Step 6: Final answer
    x = 1,428.37

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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.