Home / 4,187.76-5,779.24-2,299.36

Finding the Fourth Proportional to 4,187.76, 5,779.24 and 2,299.36

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Solution

The fourth proportional to 4,187.76, 5,779.24 and 2,299.36 is: 3,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.76 : 5,779.24 = 2,299.36 : x
  2. Step 2: Convert to fraction form
    4,187.76/5,779.24 = 2,299.36/x
  3. Step 3: Cross multiply
    4,187.76x = 5,779.24 × 2,299.36
  4. Step 4: Simplify right side
    4,187.76x = 13,288,553.29
  5. Step 5: Solve for x
    x = 13,288,553.29/4,187.76
  6. Step 6: Final answer
    x = 3,173.19

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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.