Home / 2,477.30-3,711.20-1,243.26

Finding the Fourth Proportional to 2,477.30, 3,711.20 and 1,243.26

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Solution

The fourth proportional to 2,477.30, 3,711.20 and 1,243.26 is: 1,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.30 : 3,711.20 = 1,243.26 : x
  2. Step 2: Convert to fraction form
    2,477.30/3,711.20 = 1,243.26/x
  3. Step 3: Cross multiply
    2,477.30x = 3,711.20 × 1,243.26
  4. Step 4: Simplify right side
    2,477.30x = 4,613,980.30
  5. Step 5: Solve for x
    x = 4,613,980.30/2,477.30
  6. Step 6: Final answer
    x = 1,862.51

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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.