Home / 3,716.76-5,127.48-2,389.96

Finding the Fourth Proportional to 3,716.76, 5,127.48 and 2,389.96

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Solution

The fourth proportional to 3,716.76, 5,127.48 and 2,389.96 is: 3,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.76 : 5,127.48 = 2,389.96 : x
  2. Step 2: Convert to fraction form
    3,716.76/5,127.48 = 2,389.96/x
  3. Step 3: Cross multiply
    3,716.76x = 5,127.48 × 2,389.96
  4. Step 4: Simplify right side
    3,716.76x = 12,254,472.10
  5. Step 5: Solve for x
    x = 12,254,472.10/3,716.76
  6. Step 6: Final answer
    x = 3,297.08

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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.