Home / 2,477.31-3,712.72-1,015.66

Finding the Fourth Proportional to 2,477.31, 3,712.72 and 1,015.66

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Solution

The fourth proportional to 2,477.31, 3,712.72 and 1,015.66 is: 1,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.31 : 3,712.72 = 1,015.66 : x
  2. Step 2: Convert to fraction form
    2,477.31/3,712.72 = 1,015.66/x
  3. Step 3: Cross multiply
    2,477.31x = 3,712.72 × 1,015.66
  4. Step 4: Simplify right side
    2,477.31x = 3,770,861.20
  5. Step 5: Solve for x
    x = 3,770,861.20/2,477.31
  6. Step 6: Final answer
    x = 1,522.16

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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.