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Finding the Fourth Proportional to 3,142.98, 4,714.11 and 1,062.99

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Solution

The fourth proportional to 3,142.98, 4,714.11 and 1,062.99 is: 1,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.98 : 4,714.11 = 1,062.99 : x
  2. Step 2: Convert to fraction form
    3,142.98/4,714.11 = 1,062.99/x
  3. Step 3: Cross multiply
    3,142.98x = 4,714.11 × 1,062.99
  4. Step 4: Simplify right side
    3,142.98x = 5,011,051.79
  5. Step 5: Solve for x
    x = 5,011,051.79/3,142.98
  6. Step 6: Final answer
    x = 1,594.36

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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.