Home / 3,246.10-4,869.51-1,165.78

Finding the Fourth Proportional to 3,246.10, 4,869.51 and 1,165.78

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Solution

The fourth proportional to 3,246.10, 4,869.51 and 1,165.78 is: 1,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.10 : 4,869.51 = 1,165.78 : x
  2. Step 2: Convert to fraction form
    3,246.10/4,869.51 = 1,165.78/x
  3. Step 3: Cross multiply
    3,246.10x = 4,869.51 × 1,165.78
  4. Step 4: Simplify right side
    3,246.10x = 5,676,777.37
  5. Step 5: Solve for x
    x = 5,676,777.37/3,246.10
  6. Step 6: Final answer
    x = 1,748.80

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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.