Home / 2,911.38-4,017.90-1,733.64

Finding the Fourth Proportional to 2,911.38, 4,017.90 and 1,733.64

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Solution

The fourth proportional to 2,911.38, 4,017.90 and 1,733.64 is: 2,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.38 : 4,017.90 = 1,733.64 : x
  2. Step 2: Convert to fraction form
    2,911.38/4,017.90 = 1,733.64/x
  3. Step 3: Cross multiply
    2,911.38x = 4,017.90 × 1,733.64
  4. Step 4: Simplify right side
    2,911.38x = 6,965,592.16
  5. Step 5: Solve for x
    x = 6,965,592.16/2,911.38
  6. Step 6: Final answer
    x = 2,392.54

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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.