Home / 3,113.53-4,671.11-1,165.75

Finding the Fourth Proportional to 3,113.53, 4,671.11 and 1,165.75

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Solution

The fourth proportional to 3,113.53, 4,671.11 and 1,165.75 is: 1,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.53 : 4,671.11 = 1,165.75 : x
  2. Step 2: Convert to fraction form
    3,113.53/4,671.11 = 1,165.75/x
  3. Step 3: Cross multiply
    3,113.53x = 4,671.11 × 1,165.75
  4. Step 4: Simplify right side
    3,113.53x = 5,445,346.48
  5. Step 5: Solve for x
    x = 5,445,346.48/3,113.53
  6. Step 6: Final answer
    x = 1,748.93

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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.