Home / 2,313.15-3,470.09-926.52

Finding the Fourth Proportional to 2,313.15, 3,470.09 and 926.52

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Solution

The fourth proportional to 2,313.15, 3,470.09 and 926.52 is: 1,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.15 : 3,470.09 = 926.52 : x
  2. Step 2: Convert to fraction form
    2,313.15/3,470.09 = 926.52/x
  3. Step 3: Cross multiply
    2,313.15x = 3,470.09 × 926.52
  4. Step 4: Simplify right side
    2,313.15x = 3,215,103.15
  5. Step 5: Solve for x
    x = 3,215,103.15/2,313.15
  6. Step 6: Final answer
    x = 1,389.92

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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.