Home / 1,764.85-2,647.28-466.28

Finding the Fourth Proportional to 1,764.85, 2,647.28 and 466.28

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Solution

The fourth proportional to 1,764.85, 2,647.28 and 466.28 is: 699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.85 : 2,647.28 = 466.28 : x
  2. Step 2: Convert to fraction form
    1,764.85/2,647.28 = 466.28/x
  3. Step 3: Cross multiply
    1,764.85x = 2,647.28 × 466.28
  4. Step 4: Simplify right side
    1,764.85x = 1,234,373.72
  5. Step 5: Solve for x
    x = 1,234,373.72/1,764.85
  6. Step 6: Final answer
    x = 699.42

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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.