Home / 4,271.73-6,409.58-1,638.36

Finding the Fourth Proportional to 4,271.73, 6,409.58 and 1,638.36

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Solution

The fourth proportional to 4,271.73, 6,409.58 and 1,638.36 is: 2,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.73 : 6,409.58 = 1,638.36 : x
  2. Step 2: Convert to fraction form
    4,271.73/6,409.58 = 1,638.36/x
  3. Step 3: Cross multiply
    4,271.73x = 6,409.58 × 1,638.36
  4. Step 4: Simplify right side
    4,271.73x = 10,501,199.49
  5. Step 5: Solve for x
    x = 10,501,199.49/4,271.73
  6. Step 6: Final answer
    x = 2,458.30

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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.