Home / 3,113.32-4,296.21-1,934.38

Finding the Fourth Proportional to 3,113.32, 4,296.21 and 1,934.38

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Solution

The fourth proportional to 3,113.32, 4,296.21 and 1,934.38 is: 2,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.32 : 4,296.21 = 1,934.38 : x
  2. Step 2: Convert to fraction form
    3,113.32/4,296.21 = 1,934.38/x
  3. Step 3: Cross multiply
    3,113.32x = 4,296.21 × 1,934.38
  4. Step 4: Simplify right side
    3,113.32x = 8,310,502.70
  5. Step 5: Solve for x
    x = 8,310,502.70/3,113.32
  6. Step 6: Final answer
    x = 2,669.34

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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.