Home / 3,165.32-4,748.34-1,217.18

Finding the Fourth Proportional to 3,165.32, 4,748.34 and 1,217.18

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Solution

The fourth proportional to 3,165.32, 4,748.34 and 1,217.18 is: 1,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.32 : 4,748.34 = 1,217.18 : x
  2. Step 2: Convert to fraction form
    3,165.32/4,748.34 = 1,217.18/x
  3. Step 3: Cross multiply
    3,165.32x = 4,748.34 × 1,217.18
  4. Step 4: Simplify right side
    3,165.32x = 5,779,584.48
  5. Step 5: Solve for x
    x = 5,779,584.48/3,165.32
  6. Step 6: Final answer
    x = 1,825.91

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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.