Home / 3,491.30-5,232.50-1,638.33

Finding the Fourth Proportional to 3,491.30, 5,232.50 and 1,638.33

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Solution

The fourth proportional to 3,491.30, 5,232.50 and 1,638.33 is: 2,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.30 : 5,232.50 = 1,638.33 : x
  2. Step 2: Convert to fraction form
    3,491.30/5,232.50 = 1,638.33/x
  3. Step 3: Cross multiply
    3,491.30x = 5,232.50 × 1,638.33
  4. Step 4: Simplify right side
    3,491.30x = 8,572,527.37
  5. Step 5: Solve for x
    x = 8,572,527.37/3,491.30
  6. Step 6: Final answer
    x = 2,455.40

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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.