Home / 1,037.24-1,556.50-388.04

Finding the Fourth Proportional to 1,037.24, 1,556.50 and 388.04

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Solution

The fourth proportional to 1,037.24, 1,556.50 and 388.04 is: 582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.24 : 1,556.50 = 388.04 : x
  2. Step 2: Convert to fraction form
    1,037.24/1,556.50 = 388.04/x
  3. Step 3: Cross multiply
    1,037.24x = 1,556.50 × 388.04
  4. Step 4: Simplify right side
    1,037.24x = 603,984.26
  5. Step 5: Solve for x
    x = 603,984.26/1,037.24
  6. Step 6: Final answer
    x = 582.30

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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.