Home / 3,353.40-5,022.76-1,618.36

Finding the Fourth Proportional to 3,353.40, 5,022.76 and 1,618.36

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Solution

The fourth proportional to 3,353.40, 5,022.76 and 1,618.36 is: 2,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.40 : 5,022.76 = 1,618.36 : x
  2. Step 2: Convert to fraction form
    3,353.40/5,022.76 = 1,618.36/x
  3. Step 3: Cross multiply
    3,353.40x = 5,022.76 × 1,618.36
  4. Step 4: Simplify right side
    3,353.40x = 8,128,633.87
  5. Step 5: Solve for x
    x = 8,128,633.87/3,353.40
  6. Step 6: Final answer
    x = 2,424.00

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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.