Home / 3,710.24-5,120.16-2,313

Finding the Fourth Proportional to 3,710.24, 5,120.16 and 2,313

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Solution

The fourth proportional to 3,710.24, 5,120.16 and 2,313 is: 3,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.24 : 5,120.16 = 2,313 : x
  2. Step 2: Convert to fraction form
    3,710.24/5,120.16 = 2,313/x
  3. Step 3: Cross multiply
    3,710.24x = 5,120.16 × 2,313
  4. Step 4: Simplify right side
    3,710.24x = 11,842,930.08
  5. Step 5: Solve for x
    x = 11,842,930.08/3,710.24
  6. Step 6: Final answer
    x = 3,191.96

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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.