Home / 3,389.99-4,677.41-1,973.36

Finding the Fourth Proportional to 3,389.99, 4,677.41 and 1,973.36

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Solution

The fourth proportional to 3,389.99, 4,677.41 and 1,973.36 is: 2,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.99 : 4,677.41 = 1,973.36 : x
  2. Step 2: Convert to fraction form
    3,389.99/4,677.41 = 1,973.36/x
  3. Step 3: Cross multiply
    3,389.99x = 4,677.41 × 1,973.36
  4. Step 4: Simplify right side
    3,389.99x = 9,230,230.42
  5. Step 5: Solve for x
    x = 9,230,230.42/3,389.99
  6. Step 6: Final answer
    x = 2,722.79

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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.