Home / 2,711.79-3,741.80-1,664.19

Finding the Fourth Proportional to 2,711.79, 3,741.80 and 1,664.19

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Solution

The fourth proportional to 2,711.79, 3,741.80 and 1,664.19 is: 2,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.79 : 3,741.80 = 1,664.19 : x
  2. Step 2: Convert to fraction form
    2,711.79/3,741.80 = 1,664.19/x
  3. Step 3: Cross multiply
    2,711.79x = 3,741.80 × 1,664.19
  4. Step 4: Simplify right side
    2,711.79x = 6,227,057.82
  5. Step 5: Solve for x
    x = 6,227,057.82/2,711.79
  6. Step 6: Final answer
    x = 2,296.29

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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.