Home / 2,578.28-3,558.48-1,459.28

Finding the Fourth Proportional to 2,578.28, 3,558.48 and 1,459.28

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Solution

The fourth proportional to 2,578.28, 3,558.48 and 1,459.28 is: 2,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.28 : 3,558.48 = 1,459.28 : x
  2. Step 2: Convert to fraction form
    2,578.28/3,558.48 = 1,459.28/x
  3. Step 3: Cross multiply
    2,578.28x = 3,558.48 × 1,459.28
  4. Step 4: Simplify right side
    2,578.28x = 5,192,818.69
  5. Step 5: Solve for x
    x = 5,192,818.69/2,578.28
  6. Step 6: Final answer
    x = 2,014.06

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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.