Home / 2,419.85-3,338.23-1,534.11

Finding the Fourth Proportional to 2,419.85, 3,338.23 and 1,534.11

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Solution

The fourth proportional to 2,419.85, 3,338.23 and 1,534.11 is: 2,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.85 : 3,338.23 = 1,534.11 : x
  2. Step 2: Convert to fraction form
    2,419.85/3,338.23 = 1,534.11/x
  3. Step 3: Cross multiply
    2,419.85x = 3,338.23 × 1,534.11
  4. Step 4: Simplify right side
    2,419.85x = 5,121,215.86
  5. Step 5: Solve for x
    x = 5,121,215.86/2,419.85
  6. Step 6: Final answer
    x = 2,116.34

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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.