Home / 3,155.00-4,353.91-1,896.08

Finding the Fourth Proportional to 3,155.00, 4,353.91 and 1,896.08

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Solution

The fourth proportional to 3,155.00, 4,353.91 and 1,896.08 is: 2,616.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.00 : 4,353.91 = 1,896.08 : x
  2. Step 2: Convert to fraction form
    3,155.00/4,353.91 = 1,896.08/x
  3. Step 3: Cross multiply
    3,155.00x = 4,353.91 × 1,896.08
  4. Step 4: Simplify right side
    3,155.00x = 8,255,330.42
  5. Step 5: Solve for x
    x = 8,255,330.42/3,155.00
  6. Step 6: Final answer
    x = 2,616.59

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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.