Home / 2,477.30-3,418.34-1,812.96

Finding the Fourth Proportional to 2,477.30, 3,418.34 and 1,812.96

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Solution

The fourth proportional to 2,477.30, 3,418.34 and 1,812.96 is: 2,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.30 : 3,418.34 = 1,812.96 : x
  2. Step 2: Convert to fraction form
    2,477.30/3,418.34 = 1,812.96/x
  3. Step 3: Cross multiply
    2,477.30x = 3,418.34 × 1,812.96
  4. Step 4: Simplify right side
    2,477.30x = 6,197,304.62
  5. Step 5: Solve for x
    x = 6,197,304.62/2,477.30
  6. Step 6: Final answer
    x = 2,501.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.