Home / 3,610.08-5,416.56-1,964.68

Finding the Fourth Proportional to 3,610.08, 5,416.56 and 1,964.68

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Solution

The fourth proportional to 3,610.08, 5,416.56 and 1,964.68 is: 2,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.08 : 5,416.56 = 1,964.68 : x
  2. Step 2: Convert to fraction form
    3,610.08/5,416.56 = 1,964.68/x
  3. Step 3: Cross multiply
    3,610.08x = 5,416.56 × 1,964.68
  4. Step 4: Simplify right side
    3,610.08x = 10,641,807.10
  5. Step 5: Solve for x
    x = 10,641,807.10/3,610.08
  6. Step 6: Final answer
    x = 2,947.80

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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.