Home / 2,309.41-3,185.66-1,364.89

Finding the Fourth Proportional to 2,309.41, 3,185.66 and 1,364.89

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Solution

The fourth proportional to 2,309.41, 3,185.66 and 1,364.89 is: 1,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.41 : 3,185.66 = 1,364.89 : x
  2. Step 2: Convert to fraction form
    2,309.41/3,185.66 = 1,364.89/x
  3. Step 3: Cross multiply
    2,309.41x = 3,185.66 × 1,364.89
  4. Step 4: Simplify right side
    2,309.41x = 4,348,059.55
  5. Step 5: Solve for x
    x = 4,348,059.55/2,309.41
  6. Step 6: Final answer
    x = 1,882.76

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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.