Home / 2,578.80-3,558.87-1,459.68

Finding the Fourth Proportional to 2,578.80, 3,558.87 and 1,459.68

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Solution

The fourth proportional to 2,578.80, 3,558.87 and 1,459.68 is: 2,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.80 : 3,558.87 = 1,459.68 : x
  2. Step 2: Convert to fraction form
    2,578.80/3,558.87 = 1,459.68/x
  3. Step 3: Cross multiply
    2,578.80x = 3,558.87 × 1,459.68
  4. Step 4: Simplify right side
    2,578.80x = 5,194,811.36
  5. Step 5: Solve for x
    x = 5,194,811.36/2,578.80
  6. Step 6: Final answer
    x = 2,014.43

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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.