Home / 1,458.88-2,193.36-1,379.68

Finding the Fourth Proportional to 1,458.88, 2,193.36 and 1,379.68

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Solution

The fourth proportional to 1,458.88, 2,193.36 and 1,379.68 is: 2,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.88 : 2,193.36 = 1,379.68 : x
  2. Step 2: Convert to fraction form
    1,458.88/2,193.36 = 1,379.68/x
  3. Step 3: Cross multiply
    1,458.88x = 2,193.36 × 1,379.68
  4. Step 4: Simplify right side
    1,458.88x = 3,026,134.92
  5. Step 5: Solve for x
    x = 3,026,134.92/1,458.88
  6. Step 6: Final answer
    x = 2,074.29

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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.