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Finding the Fourth Proportional to 2,901.93, 4,353.03 and 822.09

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Solution

The fourth proportional to 2,901.93, 4,353.03 and 822.09 is: 1,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.93 : 4,353.03 = 822.09 : x
  2. Step 2: Convert to fraction form
    2,901.93/4,353.03 = 822.09/x
  3. Step 3: Cross multiply
    2,901.93x = 4,353.03 × 822.09
  4. Step 4: Simplify right side
    2,901.93x = 3,578,582.43
  5. Step 5: Solve for x
    x = 3,578,582.43/2,901.93
  6. Step 6: Final answer
    x = 1,233.17

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1.5x scale

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.