Home / 2,313.66-3,191.76-1,516.98

Finding the Fourth Proportional to 2,313.66, 3,191.76 and 1,516.98

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Solution

The fourth proportional to 2,313.66, 3,191.76 and 1,516.98 is: 2,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.66 : 3,191.76 = 1,516.98 : x
  2. Step 2: Convert to fraction form
    2,313.66/3,191.76 = 1,516.98/x
  3. Step 3: Cross multiply
    2,313.66x = 3,191.76 × 1,516.98
  4. Step 4: Simplify right side
    2,313.66x = 4,841,836.08
  5. Step 5: Solve for x
    x = 4,841,836.08/2,313.66
  6. Step 6: Final answer
    x = 2,092.72

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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.