Home / 3,970.16-5,955.79-2,305.07

Finding the Fourth Proportional to 3,970.16, 5,955.79 and 2,305.07

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Solution

The fourth proportional to 3,970.16, 5,955.79 and 2,305.07 is: 3,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.16 : 5,955.79 = 2,305.07 : x
  2. Step 2: Convert to fraction form
    3,970.16/5,955.79 = 2,305.07/x
  3. Step 3: Cross multiply
    3,970.16x = 5,955.79 × 2,305.07
  4. Step 4: Simplify right side
    3,970.16x = 13,728,512.86
  5. Step 5: Solve for x
    x = 13,728,512.86/3,970.16
  6. Step 6: Final answer
    x = 3,457.92

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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.