Home / 4,189.73-5,779.06-2,695.28

Finding the Fourth Proportional to 4,189.73, 5,779.06 and 2,695.28

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Solution

The fourth proportional to 4,189.73, 5,779.06 and 2,695.28 is: 3,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.73 : 5,779.06 = 2,695.28 : x
  2. Step 2: Convert to fraction form
    4,189.73/5,779.06 = 2,695.28/x
  3. Step 3: Cross multiply
    4,189.73x = 5,779.06 × 2,695.28
  4. Step 4: Simplify right side
    4,189.73x = 15,576,149.20
  5. Step 5: Solve for x
    x = 15,576,149.20/4,189.73
  6. Step 6: Final answer
    x = 3,717.70

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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.