Home / 1,679.98-2,319.50-1,051.44

Finding the Fourth Proportional to 1,679.98, 2,319.50 and 1,051.44

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Solution

The fourth proportional to 1,679.98, 2,319.50 and 1,051.44 is: 1,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.98 : 2,319.50 = 1,051.44 : x
  2. Step 2: Convert to fraction form
    1,679.98/2,319.50 = 1,051.44/x
  3. Step 3: Cross multiply
    1,679.98x = 2,319.50 × 1,051.44
  4. Step 4: Simplify right side
    1,679.98x = 2,438,815.08
  5. Step 5: Solve for x
    x = 2,438,815.08/1,679.98
  6. Step 6: Final answer
    x = 1,451.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.