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Finding the Fourth Proportional to 1,846.99, 2,771.18 and 751.64

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Solution

The fourth proportional to 1,846.99, 2,771.18 and 751.64 is: 1,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.99 : 2,771.18 = 751.64 : x
  2. Step 2: Convert to fraction form
    1,846.99/2,771.18 = 751.64/x
  3. Step 3: Cross multiply
    1,846.99x = 2,771.18 × 751.64
  4. Step 4: Simplify right side
    1,846.99x = 2,082,929.74
  5. Step 5: Solve for x
    x = 2,082,929.74/1,846.99
  6. Step 6: Final answer
    x = 1,127.74

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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.