Home / 3,009.29-4,152.88-1,682.99

Finding the Fourth Proportional to 3,009.29, 4,152.88 and 1,682.99

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Solution

The fourth proportional to 3,009.29, 4,152.88 and 1,682.99 is: 2,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.29 : 4,152.88 = 1,682.99 : x
  2. Step 2: Convert to fraction form
    3,009.29/4,152.88 = 1,682.99/x
  3. Step 3: Cross multiply
    3,009.29x = 4,152.88 × 1,682.99
  4. Step 4: Simplify right side
    3,009.29x = 6,989,230.54
  5. Step 5: Solve for x
    x = 6,989,230.54/3,009.29
  6. Step 6: Final answer
    x = 2,322.55

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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.