Home / 4,187.93-5,779.26-2,419.49

Finding the Fourth Proportional to 4,187.93, 5,779.26 and 2,419.49

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Solution

The fourth proportional to 4,187.93, 5,779.26 and 2,419.49 is: 3,338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.93 : 5,779.26 = 2,419.49 : x
  2. Step 2: Convert to fraction form
    4,187.93/5,779.26 = 2,419.49/x
  3. Step 3: Cross multiply
    4,187.93x = 5,779.26 × 2,419.49
  4. Step 4: Simplify right side
    4,187.93x = 13,982,876.23
  5. Step 5: Solve for x
    x = 13,982,876.23/4,187.93
  6. Step 6: Final answer
    x = 3,338.86

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1.5x scale

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.