Home / 1,310.26-1,964.18-443.97

Finding the Fourth Proportional to 1,310.26, 1,964.18 and 443.97

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Solution

The fourth proportional to 1,310.26, 1,964.18 and 443.97 is: 665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310.26 : 1,964.18 = 443.97 : x
  2. Step 2: Convert to fraction form
    1,310.26/1,964.18 = 443.97/x
  3. Step 3: Cross multiply
    1,310.26x = 1,964.18 × 443.97
  4. Step 4: Simplify right side
    1,310.26x = 872,036.99
  5. Step 5: Solve for x
    x = 872,036.99/1,310.26
  6. Step 6: Final answer
    x = 665.55

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1.5x scale

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.