Home / 2,539.76-3,502.20-1,699.28

Finding the Fourth Proportional to 2,539.76, 3,502.20 and 1,699.28

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Solution

The fourth proportional to 2,539.76, 3,502.20 and 1,699.28 is: 2,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.76 : 3,502.20 = 1,699.28 : x
  2. Step 2: Convert to fraction form
    2,539.76/3,502.20 = 1,699.28/x
  3. Step 3: Cross multiply
    2,539.76x = 3,502.20 × 1,699.28
  4. Step 4: Simplify right side
    2,539.76x = 5,951,218.42
  5. Step 5: Solve for x
    x = 5,951,218.42/2,539.76
  6. Step 6: Final answer
    x = 2,343.22

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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.