Home / 1,037.48-1,556.28-388.17

Finding the Fourth Proportional to 1,037.48, 1,556.28 and 388.17

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Solution

The fourth proportional to 1,037.48, 1,556.28 and 388.17 is: 582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.48 : 1,556.28 = 388.17 : x
  2. Step 2: Convert to fraction form
    1,037.48/1,556.28 = 388.17/x
  3. Step 3: Cross multiply
    1,037.48x = 1,556.28 × 388.17
  4. Step 4: Simplify right side
    1,037.48x = 604,101.21
  5. Step 5: Solve for x
    x = 604,101.21/1,037.48
  6. Step 6: Final answer
    x = 582.28

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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.