Home / 3,113.43-4,670.34-1,165.51

Finding the Fourth Proportional to 3,113.43, 4,670.34 and 1,165.51

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Solution

The fourth proportional to 3,113.43, 4,670.34 and 1,165.51 is: 1,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.43 : 4,670.34 = 1,165.51 : x
  2. Step 2: Convert to fraction form
    3,113.43/4,670.34 = 1,165.51/x
  3. Step 3: Cross multiply
    3,113.43x = 4,670.34 × 1,165.51
  4. Step 4: Simplify right side
    3,113.43x = 5,443,327.97
  5. Step 5: Solve for x
    x = 5,443,327.97/3,113.43
  6. Step 6: Final answer
    x = 1,748.34

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Double scale
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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.