Home / 3,552.17-4,902-1,980.23

Finding the Fourth Proportional to 3,552.17, 4,902 and 1,980.23

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Solution

The fourth proportional to 3,552.17, 4,902 and 1,980.23 is: 2,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.17 : 4,902 = 1,980.23 : x
  2. Step 2: Convert to fraction form
    3,552.17/4,902 = 1,980.23/x
  3. Step 3: Cross multiply
    3,552.17x = 4,902 × 1,980.23
  4. Step 4: Simplify right side
    3,552.17x = 9,707,087.46
  5. Step 5: Solve for x
    x = 9,707,087.46/3,552.17
  6. Step 6: Final answer
    x = 2,732.72

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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.