Home / 3,685.28-5,525.87-1,219.44

Finding the Fourth Proportional to 3,685.28, 5,525.87 and 1,219.44

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Solution

The fourth proportional to 3,685.28, 5,525.87 and 1,219.44 is: 1,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.28 : 5,525.87 = 1,219.44 : x
  2. Step 2: Convert to fraction form
    3,685.28/5,525.87 = 1,219.44/x
  3. Step 3: Cross multiply
    3,685.28x = 5,525.87 × 1,219.44
  4. Step 4: Simplify right side
    3,685.28x = 6,738,457.31
  5. Step 5: Solve for x
    x = 6,738,457.31/3,685.28
  6. Step 6: Final answer
    x = 1,828.48

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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.