Home / 2,739.17-3,779.93-1,691.03

Finding the Fourth Proportional to 2,739.17, 3,779.93 and 1,691.03

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Solution

The fourth proportional to 2,739.17, 3,779.93 and 1,691.03 is: 2,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.17 : 3,779.93 = 1,691.03 : x
  2. Step 2: Convert to fraction form
    2,739.17/3,779.93 = 1,691.03/x
  3. Step 3: Cross multiply
    2,739.17x = 3,779.93 × 1,691.03
  4. Step 4: Simplify right side
    2,739.17x = 6,391,966.57
  5. Step 5: Solve for x
    x = 6,391,966.57/2,739.17
  6. Step 6: Final answer
    x = 2,333.54

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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.