Home / 2,911.10-4,017.96-1,732.86

Finding the Fourth Proportional to 2,911.10, 4,017.96 and 1,732.86

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Solution

The fourth proportional to 2,911.10, 4,017.96 and 1,732.86 is: 2,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.10 : 4,017.96 = 1,732.86 : x
  2. Step 2: Convert to fraction form
    2,911.10/4,017.96 = 1,732.86/x
  3. Step 3: Cross multiply
    2,911.10x = 4,017.96 × 1,732.86
  4. Step 4: Simplify right side
    2,911.10x = 6,962,562.17
  5. Step 5: Solve for x
    x = 6,962,562.17/2,911.10
  6. Step 6: Final answer
    x = 2,391.73

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1.5x scale

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.