Home / 3,419.48-4,722.00-2,578.75

Finding the Fourth Proportional to 3,419.48, 4,722.00 and 2,578.75

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Solution

The fourth proportional to 3,419.48, 4,722.00 and 2,578.75 is: 3,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.48 : 4,722.00 = 2,578.75 : x
  2. Step 2: Convert to fraction form
    3,419.48/4,722.00 = 2,578.75/x
  3. Step 3: Cross multiply
    3,419.48x = 4,722.00 × 2,578.75
  4. Step 4: Simplify right side
    3,419.48x = 12,176,836.02
  5. Step 5: Solve for x
    x = 12,176,836.02/3,419.48
  6. Step 6: Final answer
    x = 3,561.02

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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.