Home / 3,634.50-5,447.93-1,685.10

Finding the Fourth Proportional to 3,634.50, 5,447.93 and 1,685.10

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Solution

The fourth proportional to 3,634.50, 5,447.93 and 1,685.10 is: 2,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.50 : 5,447.93 = 1,685.10 : x
  2. Step 2: Convert to fraction form
    3,634.50/5,447.93 = 1,685.10/x
  3. Step 3: Cross multiply
    3,634.50x = 5,447.93 × 1,685.10
  4. Step 4: Simplify right side
    3,634.50x = 9,180,306.84
  5. Step 5: Solve for x
    x = 9,180,306.84/3,634.50
  6. Step 6: Final answer
    x = 2,525.88

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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.