Home / 4,208.80-5,802.08-2,945.96

Finding the Fourth Proportional to 4,208.80, 5,802.08 and 2,945.96

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Solution

The fourth proportional to 4,208.80, 5,802.08 and 2,945.96 is: 4,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.80 : 5,802.08 = 2,945.96 : x
  2. Step 2: Convert to fraction form
    4,208.80/5,802.08 = 2,945.96/x
  3. Step 3: Cross multiply
    4,208.80x = 5,802.08 × 2,945.96
  4. Step 4: Simplify right side
    4,208.80x = 17,092,695.60
  5. Step 5: Solve for x
    x = 17,092,695.60/4,208.80
  6. Step 6: Final answer
    x = 4,061.18

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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.