Home / 3,388.95-4,676.97-1,896.81

Finding the Fourth Proportional to 3,388.95, 4,676.97 and 1,896.81

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Solution

The fourth proportional to 3,388.95, 4,676.97 and 1,896.81 is: 2,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.95 : 4,676.97 = 1,896.81 : x
  2. Step 2: Convert to fraction form
    3,388.95/4,676.97 = 1,896.81/x
  3. Step 3: Cross multiply
    3,388.95x = 4,676.97 × 1,896.81
  4. Step 4: Simplify right side
    3,388.95x = 8,871,323.47
  5. Step 5: Solve for x
    x = 8,871,323.47/3,388.95
  6. Step 6: Final answer
    x = 2,617.72

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1.5x scale

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.