Home / 3,555.28-5,333.82-1,607.02

Finding the Fourth Proportional to 3,555.28, 5,333.82 and 1,607.02

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Solution

The fourth proportional to 3,555.28, 5,333.82 and 1,607.02 is: 2,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.28 : 5,333.82 = 1,607.02 : x
  2. Step 2: Convert to fraction form
    3,555.28/5,333.82 = 1,607.02/x
  3. Step 3: Cross multiply
    3,555.28x = 5,333.82 × 1,607.02
  4. Step 4: Simplify right side
    3,555.28x = 8,571,555.42
  5. Step 5: Solve for x
    x = 8,571,555.42/3,555.28
  6. Step 6: Final answer
    x = 2,410.94

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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.