Home / 3,662.12-5,492.94-1,686.62

Finding the Fourth Proportional to 3,662.12, 5,492.94 and 1,686.62

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Solution

The fourth proportional to 3,662.12, 5,492.94 and 1,686.62 is: 2,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.12 : 5,492.94 = 1,686.62 : x
  2. Step 2: Convert to fraction form
    3,662.12/5,492.94 = 1,686.62/x
  3. Step 3: Cross multiply
    3,662.12x = 5,492.94 × 1,686.62
  4. Step 4: Simplify right side
    3,662.12x = 9,264,502.46
  5. Step 5: Solve for x
    x = 9,264,502.46/3,662.12
  6. Step 6: Final answer
    x = 2,529.82

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1.5x scale

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.