Home / 3,322.48-4,977.33-1,857.19

Finding the Fourth Proportional to 3,322.48, 4,977.33 and 1,857.19

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Solution

The fourth proportional to 3,322.48, 4,977.33 and 1,857.19 is: 2,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.48 : 4,977.33 = 1,857.19 : x
  2. Step 2: Convert to fraction form
    3,322.48/4,977.33 = 1,857.19/x
  3. Step 3: Cross multiply
    3,322.48x = 4,977.33 × 1,857.19
  4. Step 4: Simplify right side
    3,322.48x = 9,243,822.62
  5. Step 5: Solve for x
    x = 9,243,822.62/3,322.48
  6. Step 6: Final answer
    x = 2,782.21

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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.