Home / 4,103.60-6,156.30-1,637.78

Finding the Fourth Proportional to 4,103.60, 6,156.30 and 1,637.78

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Solution

The fourth proportional to 4,103.60, 6,156.30 and 1,637.78 is: 2,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.60 : 6,156.30 = 1,637.78 : x
  2. Step 2: Convert to fraction form
    4,103.60/6,156.30 = 1,637.78/x
  3. Step 3: Cross multiply
    4,103.60x = 6,156.30 × 1,637.78
  4. Step 4: Simplify right side
    4,103.60x = 10,082,665.01
  5. Step 5: Solve for x
    x = 10,082,665.01/4,103.60
  6. Step 6: Final answer
    x = 2,457.03

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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.