Home / 3,419.10-5,121.45-3,054.30

Finding the Fourth Proportional to 3,419.10, 5,121.45 and 3,054.30

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Solution

The fourth proportional to 3,419.10, 5,121.45 and 3,054.30 is: 4,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.10 : 5,121.45 = 3,054.30 : x
  2. Step 2: Convert to fraction form
    3,419.10/5,121.45 = 3,054.30/x
  3. Step 3: Cross multiply
    3,419.10x = 5,121.45 × 3,054.30
  4. Step 4: Simplify right side
    3,419.10x = 15,642,444.74
  5. Step 5: Solve for x
    x = 15,642,444.74/3,419.10
  6. Step 6: Final answer
    x = 4,575.02

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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.