Home / 1,037.24-1,556.07-387.98

Finding the Fourth Proportional to 1,037.24, 1,556.07 and 387.98

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Solution

The fourth proportional to 1,037.24, 1,556.07 and 387.98 is: 582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.24 : 1,556.07 = 387.98 : x
  2. Step 2: Convert to fraction form
    1,037.24/1,556.07 = 387.98/x
  3. Step 3: Cross multiply
    1,037.24x = 1,556.07 × 387.98
  4. Step 4: Simplify right side
    1,037.24x = 603,724.04
  5. Step 5: Solve for x
    x = 603,724.04/1,037.24
  6. Step 6: Final answer
    x = 582.05

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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.