Home / 3,665.16-5,492.88-2,686.68

Finding the Fourth Proportional to 3,665.16, 5,492.88 and 2,686.68

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Solution

The fourth proportional to 3,665.16, 5,492.88 and 2,686.68 is: 4,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.16 : 5,492.88 = 2,686.68 : x
  2. Step 2: Convert to fraction form
    3,665.16/5,492.88 = 2,686.68/x
  3. Step 3: Cross multiply
    3,665.16x = 5,492.88 × 2,686.68
  4. Step 4: Simplify right side
    3,665.16x = 14,757,610.84
  5. Step 5: Solve for x
    x = 14,757,610.84/3,665.16
  6. Step 6: Final answer
    x = 4,026.46

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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.