Home / 3,656.64-5,506.06-2,689.52

Finding the Fourth Proportional to 3,656.64, 5,506.06 and 2,689.52

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Solution

The fourth proportional to 3,656.64, 5,506.06 and 2,689.52 is: 4,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.64 : 5,506.06 = 2,689.52 : x
  2. Step 2: Convert to fraction form
    3,656.64/5,506.06 = 2,689.52/x
  3. Step 3: Cross multiply
    3,656.64x = 5,506.06 × 2,689.52
  4. Step 4: Simplify right side
    3,656.64x = 14,808,658.49
  5. Step 5: Solve for x
    x = 14,808,658.49/3,656.64
  6. Step 6: Final answer
    x = 4,049.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.