Home / 1,757.11-2,639.08-1,293.06

Finding the Fourth Proportional to 1,757.11, 2,639.08 and 1,293.06

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Solution

The fourth proportional to 1,757.11, 2,639.08 and 1,293.06 is: 1,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.11 : 2,639.08 = 1,293.06 : x
  2. Step 2: Convert to fraction form
    1,757.11/2,639.08 = 1,293.06/x
  3. Step 3: Cross multiply
    1,757.11x = 2,639.08 × 1,293.06
  4. Step 4: Simplify right side
    1,757.11x = 3,412,475.59
  5. Step 5: Solve for x
    x = 3,412,475.59/1,757.11
  6. Step 6: Final answer
    x = 1,942.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.