Home / 2,933.31-4,047.85-1,607.07

Finding the Fourth Proportional to 2,933.31, 4,047.85 and 1,607.07

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Solution

The fourth proportional to 2,933.31, 4,047.85 and 1,607.07 is: 2,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.31 : 4,047.85 = 1,607.07 : x
  2. Step 2: Convert to fraction form
    2,933.31/4,047.85 = 1,607.07/x
  3. Step 3: Cross multiply
    2,933.31x = 4,047.85 × 1,607.07
  4. Step 4: Simplify right side
    2,933.31x = 6,505,156.81
  5. Step 5: Solve for x
    x = 6,505,156.81/2,933.31
  6. Step 6: Final answer
    x = 2,217.68

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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.