Home / 3,687.88-5,533.44-1,223.04

Finding the Fourth Proportional to 3,687.88, 5,533.44 and 1,223.04

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Solution

The fourth proportional to 3,687.88, 5,533.44 and 1,223.04 is: 1,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.88 : 5,533.44 = 1,223.04 : x
  2. Step 2: Convert to fraction form
    3,687.88/5,533.44 = 1,223.04/x
  3. Step 3: Cross multiply
    3,687.88x = 5,533.44 × 1,223.04
  4. Step 4: Simplify right side
    3,687.88x = 6,767,618.46
  5. Step 5: Solve for x
    x = 6,767,618.46/3,687.88
  6. Step 6: Final answer
    x = 1,835.10

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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.