Home / 2,911.57-4,017.66-1,732.43

Finding the Fourth Proportional to 2,911.57, 4,017.66 and 1,732.43

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Solution

The fourth proportional to 2,911.57, 4,017.66 and 1,732.43 is: 2,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.57 : 4,017.66 = 1,732.43 : x
  2. Step 2: Convert to fraction form
    2,911.57/4,017.66 = 1,732.43/x
  3. Step 3: Cross multiply
    2,911.57x = 4,017.66 × 1,732.43
  4. Step 4: Simplify right side
    2,911.57x = 6,960,314.71
  5. Step 5: Solve for x
    x = 6,960,314.71/2,911.57
  6. Step 6: Final answer
    x = 2,390.58

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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.