Home / 3,646.11-5,029.78-2,389.27

Finding the Fourth Proportional to 3,646.11, 5,029.78 and 2,389.27

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Solution

The fourth proportional to 3,646.11, 5,029.78 and 2,389.27 is: 3,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.11 : 5,029.78 = 2,389.27 : x
  2. Step 2: Convert to fraction form
    3,646.11/5,029.78 = 2,389.27/x
  3. Step 3: Cross multiply
    3,646.11x = 5,029.78 × 2,389.27
  4. Step 4: Simplify right side
    3,646.11x = 12,017,502.46
  5. Step 5: Solve for x
    x = 12,017,502.46/3,646.11
  6. Step 6: Final answer
    x = 3,295.98

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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.