Home / 1,037.50-1,556.43-517.52

Finding the Fourth Proportional to 1,037.50, 1,556.43 and 517.52

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Solution

The fourth proportional to 1,037.50, 1,556.43 and 517.52 is: 776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.50 : 1,556.43 = 517.52 : x
  2. Step 2: Convert to fraction form
    1,037.50/1,556.43 = 517.52/x
  3. Step 3: Cross multiply
    1,037.50x = 1,556.43 × 517.52
  4. Step 4: Simplify right side
    1,037.50x = 805,485.60
  5. Step 5: Solve for x
    x = 805,485.60/1,037.50
  6. Step 6: Final answer
    x = 776.37

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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.