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Finding the Fourth Proportional to 1,753.98, 2,631.11 and 583.94

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Solution

The fourth proportional to 1,753.98, 2,631.11 and 583.94 is: 875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.98 : 2,631.11 = 583.94 : x
  2. Step 2: Convert to fraction form
    1,753.98/2,631.11 = 583.94/x
  3. Step 3: Cross multiply
    1,753.98x = 2,631.11 × 583.94
  4. Step 4: Simplify right side
    1,753.98x = 1,536,410.37
  5. Step 5: Solve for x
    x = 1,536,410.37/1,753.98
  6. Step 6: Final answer
    x = 875.96

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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.